Six kinds of actor
From states and their agencies to criminals and hacktivists, by the index's category rules. Pick a category to list its actors; pick it again for all.
The table
Every actor
Each actor with its other names, category, attributed origin and sponsor, the years it has been seen and how many sources carry it. Narrow by origin; sort by any heading; open an actor for its page.
1229 actors
A to Z; sort by any heading with an arrow. Hover a name for its aliases.
| Sponsor | ||||||||
|---|---|---|---|---|---|---|---|---|
| Stealth Mango and Tangelo | Stealth Mango, Stealth Mango & Tangelo, Stealth Mango and Tangelo | State | Pakistan | Pakistan | – | – | – | 5 |
| [Unnamed group USA] | – | Agency or leak | United States | CIA, IRGC | 2019 | – | – | 3 |
| [Unnamed group] | – | Agency or leak | – | IRGC | – | – | – | 3 |
| [Unnamed groups: China] | – | Agency or leak | China | State-sponsored | 2018 | – | – | 3 |
| [Unnamed groups: Iran] | – | Agency or leak | Iran | State-sponsored | 2019 | – | – | 3 |
| [Unnamed groups: Russia] | Operation “Destabilise” | Agency or leak | Russia | – | 2014 | – | – | 3 |
| [Vault 7/8] | – | Agency or leak | United States | CIA | 2017 | – | – | 5 |
| 1937CN | Goblin Panda, Earth Zhulong, China1937CN Team, Conimes, Conimes Team, Cycldek, Goblin Panda, Cycldek, Conimes, Temp.Conimes | State | China | China | 2013 | – | – | 5 |
| 313 Team | – | Hacktivist | Iraq | – | – | – | – | 3 |
| 3am | ThreeAM, THREEAMTIME | Criminal | – | – | – | – | – | 3 |
| 8base | – | Criminal | – | – | – | – | – | 2 |
| 8Base Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Ababil of Minab | – | State | Iran | – | – | – | – | 3 |
| Achilles | – | Criminal | – | – | 2018 | – | – | 4 |
| Actor240524 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| admin@338 | Temper Panda, G0018, Admin338, Magnesium, Team338, Temper Panda, admin@338 | State | China | China | 2014 | 2026 | Active | 7 |
| Adrastea | – | Criminal | – | – | – | – | – | 3 |
| AeroBlade | – | Targeted, sponsor unknown | – | – | 2022 | – | – | 5 |
| Aggressive Inventory Zombies | AIZ | Criminal | – | – | – | – | – | 3 |
| Agrius | Pink Sandstorm, DEV-0022, DEV-0227, Spectral Kitten, UNC2428, Agonizing Serpens, AMERICIUM, Black Shadow, BlackShadow, Deadwood, FireAnt, Justice Blade, SharpBoys | State | Iran | MOIS, Ministry of Intelligence | 2020 | 2026 | Active | 8 |
| Ajax Security Team | Flying Kitten, Rocket Kitten, G0130, Group 26, Operation Saffron Rose, Operation Woolen Goldfish, Operation Woolen-Goldfish, Operation “Saffron Rose”, TEMP.Beanie, AjaxSecurityTeam, AjaxTM, Flying Kitten, Ajax Security Team, Saffron Rose, SaffronRose, Sayad, Thamar Reservoir, Timberworm | State | Iran | State-sponsored | 2010 | 2026 | Active | 6 |
| Akira | Storm-1567, GOLD SAHARA, PUNK SPIDER, Akira Ransomware, Howling Scorpius, Punk Spider (CrowdStrike), Storm-1567 (Microsoft) | Criminal | – | – | 2023 | 2026 | Active | 7 |
| ALLANITE | G1000, Palmetto Fusion | Targeted, sponsor unknown | – | – | 2017 | 2026 | Active | 6 |
| Alpha Spider | Velvet Tempest, DEV-0504, ALPHV Ransomware Group | Criminal | – | – | – | – | – | 5 |
| Altahrea Team | – | Hacktivist | Iraq | – | – | – | – | 3 |
| ALTDOS | Desorden, GhostR, 0mid16B, ALTDOS, Desorden | Criminal | Singapore | – | 2020 | – | – | 5 |
| Altoufan Team | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| Amaranth-Dragon | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Andariel | APT45, Onyx Sleet, Silent Chollima, Andariel, Silent Chollima, APT 45, Black Chollima, G0138, Operation “BLACKMINE”, Operation “BLACKSHEEP”/Phase 3., Operation “Blacksmith”, Operation “DESERTWOLF”/Phase 3, Operation “GHOSTRAT”, Operation “GoldenAxe”, Operation “INITROY”/Phase 1, Operation “INITROY”/Phase 2, Operation “Mayday”, Operation “VANXATM”, Operation “XEDA”, DarkSeoul, GOP, GRASS NEPTUNE, Guardian of Peace, Jumpy Pisces, OperationTroy, PLUTONIUM, Stonefly, Subgroup: Andariel, Tdrop2 campaign, WHOis Team | State | North Korea | Lazarus, Reconnaissance General Bureau | 2009 | 2026 | Active | 7 |
| ANDROMEDA SPIDER | Andromeda Spider | Criminal | Belarus | – | 2011 | – | – | 7 |
| Angry Likho | Sticky Werewolf | State | Russia | – | 2023 | – | – | 6 |
| Anonymous (Collective) | – | Hacktivist | – | – | – | – | – | 1 |
| Anonymous KSA | – | Hacktivist | – | – | – | – | – | 3 |
| Anonymous Sudan | storm-1359 | Hacktivist | Russia | – | – | – | – | 4 |
| Anonymous64 | APT-C-64 Anonymous 64, Anonymous 64 | State | Taiwan | MSS, Ministry of State Security | – | – | – | 3 |
| ANTHROPOID SPIDER | EmpireMonkey, CobaltGoblin, Empire Monkey, EmpireMonkey, CobaltGoblin | Criminal | – | – | 2018 | – | – | 7 |
| Antique Typhoon | Storm-0558 | State | China | China | 2023 | – | – | 9 |
| Antlion | – | State | China | – | 2011 | 2022 | Dormant | 8 |
| Anubis Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| Aoqin Dragon | G1007, UNC94 | State | China | – | 2013 | 2026 | Active | 9 |
| AppleJeus | UNC4736, Citrine Sleet, UNC1720, Gleaming Pisces | Criminal | North Korea | Lazarus, Reconnaissance General Bureau | – | 2026 | Active | 6 |
| AppMilad | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| APT-C-23 | AridViper, Desert Falcons, Pinstripe Lightning, Desert Falcon, Operation “Arid Viper”, Operation “Bearded Barbie”, Operation “Rebound”, Renegade Jackal, TAG-63, APT_C_23, Arid Viper, ATK 66, Bearded Barbie, Big Bang APT, Grey Karkadann, Mantis, Niobium, Scimitar, TAG-CT1, Two-tailed Scorpion | State | Palestine | Hamas | 2011 | 2026 | Active | 9 |
| APT-C-36 | Blind Eagle, APT-Q-98, Blind Spider, G0099, TAG-144, AguilaCiega | State | Colombia | – | 2018 | 2026 | Active | 11 |
| APT.3102 | – | Targeted, sponsor unknown | China | – | – | – | – | 4 |
| APT1 | Comment Crew, Operation Shady RAT, Siesta, APT 1, Comment Panda, G0006, Group 3, Operation “Oceansalt”, Operation “Seasalt”, Operation “Siesta”, PLA Unit 61398, TG-8223, Brown Fox, BrownFox, Byzantine Candor, Byzantine Hades, Comment Crew, APT 1, Comment Group, GIF89a, Shady RAT, ShadyRAT, Shanghai Group | State | China | PLA, People's Liberation Army, Unit 61398 | 2006 | 2026 | Active | 11 |
| APT12 | APT 12, Hexagon Typhoon, APT 12, Numbered Panda, CTG-8223, G0005, Group 22, Group22, Numbered Panda, Red Anubis, TG-2754, BeeBus, Bronze Globe, Calc Team, Crimson Iron, DNS-Calc, DNSCALC, DynCalc, HORDE, HYDROGEN, IXESHE, TG-2754 (tentative) | State | China | State-sponsored | 2009 | 2026 | Active | 12 |
| APT14 | Anchor Panda, APT 14, Aluminum, Anchor Panda, APT 14, APT-14, QAZTeam | State | China | PLA | 2012 | – | – | 7 |
| APT16 | APT 16, G0023, APT 16, SVCMONDR, SVCMONDR | State | China | China | 2015 | 2026 | Active | 10 |
| APT17 | Heart Typhoon, Hidden Lynx, Aurora Panda, BRONZE KEYSTONE, G0025, Group 72, Group 8, Hidden Lynx, Aurora Panda, Operation “SMN”, Red Typhoon, TG-8153, ATG3, Axiom, Burning Umbrella, Deputy Dog, DeputyDog, Dogfish, HELIUM, KAOS, SportsFans, Tailgater, Tailgater Team | State | China | China | 2009 | 2026 | Active | 12 |
| APT18 | APT 18, Satin Typhoon, Dynamite Panda, G0026, PLA Navy, Red Wraith, TG-0416, Threat Group-0416, APT 18, Dynamite Panda, Wekby, COMBINE, Elderwood Group, Scandium, SILVERVIPER, Wekby | State | China | State-sponsored, PLA Navy | 2009 | 2026 | Active | 11 |
| APT19 | Checkered Typhoon, BRONZE FIRESTONE, DEEP PANDA, G0073, Group 13, Red Gargoyle, TEMP.Avengers, TG-3551, ATG50, Black Vine, C0d0so, C0d0so0, CHLORINE, Codoso, Codoso Team, KungFu Kittens, PinkPanther, Pupa, Shell Crew, Sunshop Group, WebMasters | State | China | – | – | 2026 | Active | 7 |
| APT20 | APT 20, Operation Wocao, APT 20, Violin Panda, APT 8, APT8, Operation “Wocao”, Violin Panda, Crawling Taurus, RIDGE CASTLE, TH3Bug | State | China | – | 2014 | – | – | 5 |
| APT21 | NetTraveler, APT 21, Hammer Panda, NetTraveler, APT 21, Hammer Panda, TEMP.Zhenbao, TravNet, Zhenbao | State | China | China | 2004 | 2014 | Dormant | 8 |
| APT28 | Forest Blizzard, Sofacy, STRONTIUM, UAC-0063, APT 28, APT-C-20, ATK5, Blue Athena, Fancy Bear, G0007, Group 74, IRON TWILIGHT, ITG05, Operation Pawn Storm, Operation “DealersChoice”, Operation “Dear Joohn”, Operation “Komplex”, Operation “Pawn Storm”, Operation “RoundPress”, Operation “Russian Doll”, Operation “Steal-It”, SIG40, TA422, TAG-0700, TAG-110, TG-4127, Threat Group-4127, UAC-0001, UAC-0028, Armada Collective, ATG2, ATK 5, BlueDelta, CrisisFour, Dark Power, Fighting Ursa, FROZENLAKE, Grey-Cloud, Grizzly Steppe, Group-4127, GruesomeLarch, HELLFIRE, LAKE RELIC, Pawn Storm, PawnStorm, Sednit, SNAKEMACKEREL, Sofacy Group, Sofacy, APT 28, Fancy Bear, Sednit, Swallowtail, T-APT-12, Tsar Team, TsarTeam, Z-Lom Team | State | Russia | GRU, GTsSS, NSA, Unit 26165, Unit 74455 | 2004 | 2026 | Active | 15 |
| APT29 | APT 29, ghost, Midnight Blizzard, NOBELIUM, SilverFish, UNC2452, UNC3524, WellMess, APT-C-42, ATK7, Blue Dev 5, Blue Kitsune, Blue Nova, Cozy Bear, DEV-0473, Earth Koshchei, G0016, Group 100, IRON HEMLOCK, IRON RITUAL, ITG11, Operation “Ghost”, Operation “Office monkeys”, Operation “StellarParticle”, TA421, TAG-11, TEMP.Monkeys, UAC-0029, APT 29, Cozy Bear, The Dukes, ATK 7, Backswimmer, BlueBravo, Cloaked Ursa, CloudLook, Cozer, Cozy, Cozy Bear (CrowdStrike), Cozy Duke, CozyCar, CozyDuke, Cranefly, Dark Halo, DarkHalo, Dukes, EuroAPT, Eurostrike, Fritillary, Grizzly Steppe, Hagensia, Hammer Toss, ICE RELIC, ICECAP, Midnight Blizzard (Microsoft), Minidionis, NobleBaron, Office Monkeys, Office Monkeys / TEMP.Monkeys, Office Space, SeaDuke, Solar Phoenix, SolarStorm, StellarParticle, The Dukes, UNC2452, Dark Halo, SolarStorm, WellMess - APT-C-42, YTTRIUM | State | Russia | NSA, SVR | 2008 | 2026 | Active | 14 |
| APT3 | APT 3, Brocade Typhoon, G0022, Gothic Panda, Group 6, Group6, Operation “Clandestine Fox”, Operation “Clandestine Fox”, Part Deux, Operation “Clandestine Wolf”, Operation “Double Tap”, Red Sylvan, TG-0110, Threat Group-0110, APT 3, Gothic Panda, Buckeye, Boron, Boyusec, Boyusec – the Guangzhou Boyu Information Technology Company, Bronze Mayfair, Buckeye, CYBRAN, Ltd, OLDCARP, Part Deux, Pirpi, UPS, UPS Team | State | China | Ministry of State Security | 2007 | 2026 | Active | 13 |
| APT30 | APT 30, Raspberry Typhoon, APT 30, Override Panda, ATK1, BRONZE ELGIN, CTG-5326, G0013, LOTUS PANDA, Override Panda, Red Salamander, Billbug, Bronze Geneva, Bronze Sterling, DRAGONFISH, ISTHMUS CASTLE, Lotus BLossom, LotusBlossom, RADIUM, Spring Dragon, ST Group | State | China | State-sponsored | 2005 | 2026 | Active | 7 |
| APT32 | APT 32, Bismuth, Canvas Cyclone, APT-C-00, ATK17, G0050, Ocean Buffalo, Operation “Cobalt Kitty”, Operation “PhantomLance”, SectorF01, APT 32, OceanLotus, SeaLotus, APT-32, APT-LY-100, ATK 17, Cobalt Kitty, Hive0013, Lotus Bane, Ocean Lotus, OceanLotus, OceanLotus Group, Pond Loach, Scarlet Ioke, Sea Lotus, SeaLotus, Tin Woodlawn, Woodlawn | State | Vietnam | State-sponsored | 2012 | 2026 | Active | 13 |
| APT33 | APT 33, Peach Sandstorm, ATK35, G0064, Refined Kitten, TA451, APT 33, Elfin, Magnallium, ATK 35, BLEAK ION, Cobalt Trinity, Curious Serpens, Elfin, HOLMIUM, Magnallium, Yellow Orc | State | Iran | State-sponsored, Iranian Islamic Revolutionary Guard Corps (IRGC) | 2013 | 2026 | Active | 12 |
| APT37 | Reaper, Ruby Sleet, ScarCruft, APT 37, APT-C-28, ATK4, G0067, Group 123, Group123, ITG10, Opal Sleet, Operation Daybreak, Operation Erebus, Operation “Are You Happy?”, Operation “Battle Cruiser”, Operation “Black Banner”, Operation “Daybreak”, Operation “Dragon messenger”, Operation “Erebus”, Operation “Evil New Year 2018”, Operation “Evil New Year”, Operation “Fractured Block”, Operation “Fractured Statue”, Operation “FreeMilk”, Operation “Golden Bird”, Operation “Golden Time”, Operation “High Expert”, Operation “Holiday Wiper”, Operation “Korean Sword”, Operation “North Korean Human Right”, Operation “Onezero”, Operation “Rocket Man”, Operation “SHROUDED#SLEEP”, Operation “Spy Cloud”, Operation “Star Cruiser”, Operation “STARK#MULE”, Operation “STIFF#BIZON”, Operation “ToyBox Story”, Red Eyes, Ricochet Chollima, TEMP.Reaper, VELVET CHOLLIMA, APT37(Reaper), ATK 4, Cerium, Crooked Pisces, Geumseong121, Hermit, InkySquid, Moldy Pisces, Osmium, PLAIN NEPTUNE, Reaper Group, Reaper, APT 37, Ricochet Chollima, ScarCruft, ScarCruft - APT-C-28, TA-RedAnt, Venus 121 | State | North Korea | Lazarus, Ministry of State Security | 2012 | 2026 | Active | 10 |
| APT38 | BeagleBoyz, Bluenoroff, FASTCash, Lazarus, Lazarus Group, STARDUST CHOLLIMA, TA444, TEMP.Hermit, APT 38, APT-C-26, ATK117, ATK3, Bluenoroff, APT 38, Stardust Chollima, Citrine Sleet, CTG-6459, DEV-0139, DEV-1222, Diamond Sleet, G0082, Group 77, Labyrinth Chollima, Moonstone Sleet, NICKEL GLADSTONE, Operation AppleJeus, Operation DarkSeoul, Operation GhostSecret, Operation Troy, Operation “FASTCash”, Sapphire Sleet, TA404, TAG-71, Alluring Pisces, Andariel, Appleworm, ATK 117, Black Alicanto, Black Artemis, Bureau 121, COPERNICIUM, COVELLITE, Dark Seoul, Hastati Group, HERMIT NEPTUNE, Hidden Cobra, Lazarus - APT-C-26, NewRomanic Cyber Army Team, Nickel Academy, Selective Pisces, Subgroup: Bluenoroff, T-APT-15, Unit 121, Whois Hacking Team, ZINC | State | North Korea | Lazarus, Reconnaissance General Bureau | 2014 | 2026 | Active | 7 |
| APT39 | Burgundy Sandstorm, Cadelle, Chafer, APT 39, G0087, ITG07, Remix Kitten, TA454, Chafer, APT 39, CINDER ION, Cobalt Hickman, Radio Serpens | State | Iran | MOIS, Ministry of Intelligence | 2011 | 2026 | Active | 11 |
| APT4 | APT 4, Salmon Typhoon, Samurai Panda, Maverick Panda, PLA Navy, TG-0623, APT 4, Maverick Panda, Wisp Team, Bronze Edison, Salmon Typhoo, Sodium, Sykipot, Wisp Team | State | China | State-sponsored, PLA Navy | 2007 | – | – | 8 |
| APT41 | APT 41, BARIUM, Brass Typhoon, BrazenBamboo, Lead, Leopard Typhoon, Operation ShadowHammer, PassCV, SparklingGoblin, Wicked Spider, APT 22, ATK122, Earth Baku, G0096, Operation “ColunmTK”, Operation “CuckooBees”, Operation “ShadowHammer”, Red Diablo, Red Kelpie, TA415, TG-2633, TG-2768, TG-3279, Wicked Panda, Amoeba, Anonymous, Blackfly, Bronze Atlas, Bronze Export, Bronze Olive, Casper, China Cracking Group, Double Dragon, Grayfly, Grey Ares, HOODOO, KAOS, Mana, Pigfish, Sparkling Goblin, SPIRE CASTLE, Starchy Taurus, Vanadinite, Wicked Spider, APT 22, Winnti, Winnti Group, Winnti Umbrella | State | China | State-sponsored | 2012 | 2026 | Active | 16 |
| APT42 | APT 42, APT42 (Deprecated), UNC788, CALANQUE, CALANQUE ION, GreenBravo | State | Iran | IRGC, Islamic Revolutionary Guard Corps | 2015 | 2026 | Active | 9 |
| APT5 | APT 5, Mulberry Typhoon, UNC2630, APT 5, Keyhole Panda, BRONZE FLEETWOOD, Keyhole Panda, Red Horus, Red Naga, TEMP.Bottle, TG-2754, ATG48, Auriga, Backdoor-DPD, BASALT CASTLE, Bottle, COVENANT, CYSERVICE, MANGANESE, Poisoned Flight, TABCTENG | State | China | NSA | 2007 | 2026 | Active | 8 |
| APT73 | Eraleig, Eraleign | Criminal | – | – | – | – | – | 3 |
| APTIran | – | Criminal | Iran | – | – | – | – | 3 |
| Aquatic Panda | G0143 | State | China | – | 2020 | 2026 | Active | 4 |
| ArcaneDoor | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| ArmaRat | APT-C-33, ArmaRat - APT-C-33 | Targeted, sponsor unknown | – | – | – | – | – | 1 |
| Armored Likho | Eagle Werewolf | Criminal | – | – | – | – | – | 3 |
| Aslan Neferler Tim | Lion Soldiers Team, Phantom Turk | Hacktivist | Türkiye | – | – | – | – | 5 |
| Asnarök | Personal Panda | Tracked, unattributed | – | – | – | – | – | 3 |
| AtlasCross | – | Targeted, sponsor unknown | – | – | 2023 | – | – | 5 |
| Attor | – | Targeted, sponsor unknown | – | – | – | – | – | 5 |
| Automated Libra | – | Targeted, sponsor unknown | South Africa | – | – | – | – | 1 |
| Avalanche | – | Criminal | Russia | – | 2006 | – | – | 4 |
| Avivore | AVIVORE | State | China | – | 2015 | – | – | 7 |
| AvosLocker | Avos | Criminal | – | – | – | – | – | 2 |
| Awaken Likho | Core Werewolf | Targeted, sponsor unknown | – | – | 2021 | – | – | 6 |
| Axiom | G0001, Group 72, Operation “SMN”, Axiom, Group 72 | State | China | State-sponsored | 2008 | 2026 | Active | 4 |
| Ayyıldız Tim | THUNDERBOLT JACKAL, Ayyıldız Tim, Crescent and Star | Hacktivist | Türkiye | – | – | – | – | 5 |
| AzzaSec | – | Criminal | Italy | – | – | – | – | 3 |
| BackdoorDiplomacy | G0135, BackDip, CloudComputating, Quarian | State | China | – | 2017 | 2026 | Active | 9 |
| BadRory | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Balikbayan Foxes | TA2722 | Targeted, sponsor unknown | – | – | 2020 | – | – | 6 |
| BAMBOO SPIDER | Bamboo Spider, Narwhal Spider, Storm-0302, TA544, Bamboo Spider, TA544, Gold Essex | Criminal | – | – | 2007 | – | – | 10 |
| BatShadow | – | Targeted, sponsor unknown | Vietnam | – | – | – | – | 3 |
| BazarCall | BazaCall, BazzarCall | Tracked, unattributed | – | – | – | – | – | 3 |
| Bearlyfy | Labubu | Criminal | Ukraine | – | – | – | – | 3 |
| BelialDemon | Matanbuchus | Tracked, unattributed | – | – | – | – | – | 4 |
| Belsen Group | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Berry Sandstorm | Storm-0852 | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| Bianlian | bianlian_group, Hydra | Criminal | – | – | – | – | – | 2 |
| BianLian Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| BiBiGun | – | Criminal | Palestine | – | – | – | – | 3 |
| BIG PANDA | Big Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| Bignosa | – | Targeted, sponsor unknown | Kenya | – | – | – | – | 3 |
| BITTER | HAZY TIGER, APT-C-08, G1002, TA397, Orange Yali, T-APT-17 | State | India | – | 2013 | 2026 | Active | 8 |
| BITWISE SPIDER | LockBit Gang, Operation “Cronos”, White Janus, Gold Mystic | Criminal | – | – | 2019 | – | – | 6 |
| Bjorka | – | Criminal | – | – | – | – | – | 1 |
| Bl00dy Ransomware Gang | – | Criminal | – | – | – | – | – | 1 |
| Black Basta Affiliates | – | Criminal | – | – | – | – | – | 1 |
| black suit | BlackSuit | Criminal | – | – | – | – | – | 2 |
| Blackatom | – | State | Palestine | Palestine | – | – | – | 4 |
| BlackByte | Hecamede | Criminal | – | – | – | 2026 | Active | 5 |
| BlackCat | ALPHV, UNC4466, ALPHV, BlackCat Gang, ALPHVM, Ambitious Scorpius, BlackCat Gang, blackcat_raas, Noberus | Criminal | – | – | 2021 | – | – | 4 |
| BlackCat Ransomware Actors & Affiliates | – | Criminal | – | – | – | – | – | 1 |
| Blackgear | Comnie, Topgear | State | China | – | 2016 | 2016 | Dormant | 9 |
| BlackJack | – | State | Ukraine | – | – | – | – | 3 |
| BlackKingdom | Black Kingdom, Black Kingdom gang, Black Kingdom ransom | Criminal | – | – | – | – | – | 2 |
| BlackLock | BlackLocks, El Dorado, Eldorado, GLOBAL GROUP, Mamona | Criminal | – | – | – | – | – | 1 |
| BlackLock Ransomware Operators | – | Criminal | – | – | – | – | – | 1 |
| BlackMaskers | BlackMaskers Team | Tracked, unattributed | – | – | – | – | – | 3 |
| Blackmeta | SN Blackmeta | Hacktivist | Palestine | – | – | – | – | 3 |
| BlackOasis | G0063 | Targeted, sponsor unknown | – | – | 2015 | 2026 | Active | 11 |
| BlackSuit Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Blacktail | – | Criminal | – | – | – | – | – | 3 |
| BlackTech | Canary Typhoon, RADIO PANDA, APT24, BlackTech, Circuit Panda, Radio Panda, Circuit Panda, Earth Hundun, G0098, Operation “PLEAD”, Operation “Shrouded Crossbow”, Operation “Waterbear”, PITTY PANDA, Red Djinn, TEMP.Overboard, CAVERN CASTLE, HUAPI, Manga Taurus, Mobwork, Palmerworm, Phantom of Routers, Shrouded Crossbow, T-APT-03, Temp.Pittytiger | State | China | State-sponsored | 2010 | 2026 | Active | 9 |
| Blackwood | – | State | China | – | 2018 | – | – | 5 |
| BlackWorm | Black Worm | Criminal | – | – | 2014 | 2014 | Dormant | 2 |
| BladedFeline | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| BladeHawk | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Blue Mockingbird | G0108 | Targeted, sponsor unknown | – | – | – | 2026 | Active | 4 |
| Blue Mushroom | APT-C-12, NuclearCrisis, Sapphire Mushroom | State | Taiwan | – | – | – | – | 6 |
| Blue Termite | Blue Termite, Cloudy Omega, Cloudy Omega, Emdivi | State | China | Unknown | 2013 | 2015 | Dormant | 8 |
| Blue Tsunami | Black Cube | State | Israel | – | – | – | – | 5 |
| BlueBottle | Common Raven, OPERA1ER, Operation “Nervone”, DESKTOP-GROUP, NXSMS | Criminal | – | – | 2016 | – | – | 6 |
| BlueHornet | APT49, AgainstTheWest | Targeted, sponsor unknown | – | Lazarus | – | – | – | 4 |
| Bondnet | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Booba Project | – | Criminal | – | – | – | – | – | 3 |
| Bookworm | – | State | China | – | 2015 | – | – | 5 |
| Boolka | – | Tracked, unattributed | – | – | – | – | – | 4 |
| BOSON SPIDER | Boson Spider | Criminal | – | – | 2015 | – | – | 7 |
| BOSS SPIDER | Boss Spider, CTG-0007, Boss Spider, Gold Lowell, Gold Lowell | Criminal | Iran | – | 2015 | – | – | 7 |
| Bouncing Golf | Domestic Kitten, DomesticKitten, APT-C-50, G0097, DomesticKitten - APT-C-50 | State | Iran | IRGC | 2016 | 2026 | Active | 12 |
| BreachLaboratory | – | Criminal | – | – | – | – | – | 3 |
| BREEZE COMET | UNC5669 | Criminal | – | – | – | – | – | 3 |
| BRONZE BUTLER | Swirl Typhoon, TempTick, Tick, Bronze Butler, Tick, RedBaldNight, Stalker Panda, CTG-2006, G0060, Operation “ENDTRADE”, PLA Unit 61419, Stalker Panda, TEMP.Tick, Nian, REDBALDKNIGHT, RedBaldNight, Stalker Taurus, TELLURIUM, TICK CASTLE | State | China | PLA | 2006 | 2026 | Active | 8 |
| BRONZE EDGEWOOD | FunnyDream, Red Hariasa, TAG-16 | State | China | – | 2018 | – | – | 5 |
| BRONZE SPIRAL | – | State | China | – | – | – | – | 4 |
| BRONZE SPRING | UNC302 | State | China | Ministry of State Security | – | – | – | 3 |
| Budminer | Taidoor, Earth Aughisky, G0015, Budminer cyberespionage group, EarthAughisky | State | China | – | 2008 | – | – | 7 |
| BuhTrap | Buhtrap, Buhtrap, Ratopak Spider, Operation “TwoBee”, Ratopak Spider, UAC-0008, Ratopak | Criminal | Russia | – | 2015 | – | – | 7 |
| ByteToBreach | – | Tracked, unattributed | – | – | – | – | – | 3 |
| cactus | Cactus Ransomware Group | Criminal | – | – | – | – | – | 2 |
| CACTUS Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Caliente Bandits | TA2721 | Tracked, unattributed | – | – | – | – | – | 3 |
| Calypso | Red Lamassu, Bronze Medley, Snail | State | China | – | 2016 | 2019 | Dormant | 8 |
| Caracal Kitten | APT-Q-58 | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Caramel Tsunami | DEV-0236, Candiru, Grey Mazzikim, SOURGUM | Targeted, sponsor unknown | Israel | – | – | – | – | 7 |
| Carbanakcontested | GOLD WATERFALL, Carbon Spider, DEV-0289, G0008, Sangria Tempest, White Apep, Anunak, Carbanak, Anunak, ELBRUS | Criminal | Ukraine | – | 2013 | 2026 | Active | 6 |
| Carderbee | – | State | China | – | 2023 | – | – | 7 |
| CardinalLizard | – | State | China | – | 2014 | – | – | 6 |
| Caretocontested | Careto, The Mask, Mask, The Mask, The Mask / Careto, Ugly Face | State | Spain | State-sponsored | 2007 | 2014 | Dormant | 8 |
| Carmine Tsunami | DEV-0196, QuaDream | Targeted, sponsor unknown | Israel | – | – | – | – | 6 |
| CashRewindo | – | Criminal | – | – | – | – | – | 3 |
| Cavern Manticore | – | Targeted, sponsor unknown | Iran | MOIS | – | – | – | 3 |
| Central Intelligence Agency | CIA | Agency or leak | United States | CIA | 1947 | – | – | 3 |
| CeranaKeeper | – | State | China | State-sponsored | 2022 | – | – | 5 |
| ChainedShark | Actor240820 | Tracked, unattributed | – | – | – | – | – | 3 |
| Chamelgang | ChamelGang, Sunrise Panda, CamoFei | State | China | – | 2021 | – | – | 7 |
| Charcoal Stork | – | Criminal | – | – | – | – | – | 1 |
| CHATTY SPIDER | Storm-0252 | Tracked, unattributed | – | – | – | – | – | 5 |
| Chaya_004 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Chernovite | – | Targeted, sponsor unknown | Russia | – | – | – | – | 5 |
| Chimera | BRONZE VAPOR, Red Charon, Tumbleweed Typhoon, G0114, Operation “Skeleton Key”, Karst, Nuclear Taurus, Pashka, Quimera Crypter, THORIUM | State | China | – | 2018 | 2026 | Active | 8 |
| Chronus Group | – | Criminal | – | – | – | – | – | 3 |
| CiberInteligenciaSV | – | Tracked, unattributed | – | – | – | – | – | 3 |
| cicada3301 | Cicada3301 ransomware-as-a-service | Criminal | – | – | – | – | – | 2 |
| Cicada3301 Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| CikLeak | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Cinnamon Tempest | BRONZE STARLIGHT, DEV-0401, Operation ChattyGoblin, Emperor Dragonfly, HighGround, SLIME34 | State | China | – | 2021 | 2026 | Active | 7 |
| Ciphbit | – | Criminal | – | – | – | – | – | 2 |
| Circles | – | Criminal | Israel | – | 2015 | – | – | 3 |
| CIRCUS SPIDER | Circus Spider | Criminal | Russia | – | 2019 | – | – | 6 |
| CL-STA-0048 | CL STA 0048 | State | China | – | – | – | – | 3 |
| CL-STA-1009 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| CL-STA-1020 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| CL-STA-1087 | – | State | China | – | – | – | – | 3 |
| CL-UNK-1068 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Clay Typhoon | Storm-2416 | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Cleaver | Cutting Kitten, APT 34, APT34, ATK40, Earth Simnavaz, G0003, Hazel Sandstorm, HELIX KITTEN, Operation Cleaver, Operation “Cleaver”, TA452, TG-2889, Twisted Kitten, Alibaba, Cobalt Gypsy, Crambus, Cutting Kitten, TG-2889, EUROPIUM, Evasive Serpens, IRN2, ITsecTeam, OilRig, Op Cleaver, SOLAR ION, Tarh Andishan, Threat Group 2889 | State | Iran | Islamic Revolutionary Guard Corps | 2012 | 2026 | Active | 9 |
| Clever Kitten | Group 41, Group41 | State | Iran | – | 2013 | – | – | 7 |
| Cloak | – | Criminal | – | – | – | – | – | 2 |
| CLOCKWORK SPIDER | Clockwork Spider | Tracked, unattributed | – | – | – | – | – | 5 |
| CloudSorcerer | Operation “EastWind” | Targeted, sponsor unknown | – | – | 2024 | – | – | 6 |
| CNC | APT-C-48, CNC - APT-C-48 | State | India | – | – | – | – | 1 |
| Cobalt Aztec | Storm-1084, DEV-1084 | Targeted, sponsor unknown | Iran | – | – | – | – | 4 |
| Cobalt Group | Cobalt, Cobalt Spider, G0080, GOLD KINGSWOOD, ATK 67, Cobalt Gang, Mule Libra, TAG-CR3 | Criminal | Russia | – | 2016 | 2026 | Active | 7 |
| COBALT KATANA | xHunt, SectorD01, Warlord Kitten, Hive0081, Hive0081 (IBM), Hunter Serpens, SectorD01 (NHSC), xHunt campaign (Palo Alto) | State | Iran | – | 2018 | – | – | 7 |
| Codefinger | – | Criminal | – | – | – | – | – | 4 |
| Coinbase Cartel | Storm-2981 | Criminal | – | – | – | – | – | 5 |
| ComicForm | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Conference Crew | CONFERENCE CASTLE | State | China | – | – | – | – | 3 |
| Confucious | – | State | India | – | – | – | – | 3 |
| Confucius | G0142, Confucius APT | State | India | – | 2013 | 2026 | Active | 6 |
| Conquerors Electronic Army | – | Hacktivist | – | – | – | – | – | 3 |
| Contagious Interview | [Unnamed groups: North Korea], Coral Sleet, Jasper Sleet, Operation Contagious Interview, WageMole, Famous Chollima, Operation “DEV#POPPER”, Storm-0287, Storm-1877, TAG-121, UNC5267, DeceptiveDevelopment, DEV#POPPER, Gwisin Gang, Nickel Tapestry, PurpleBravo, Tenacious Pungsan, Void Dokkaebi, WaterPlum | State | North Korea | Lazarus | 2019 | 2026 | Active | 10 |
| Copy-Paste | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| CopyCop | Neva Flood, Storm-1516 | Targeted, sponsor unknown | Russia | GRU | – | – | – | 5 |
| CopyKittens | CopyKittens, Slayer Kitten, DEV-0588, G0052, Operation “Wilted Tulip”, Slayer Kitten | State | Iran | Iran (Islamic Republic of) | 2013 | 2026 | Active | 10 |
| CoralRaider | – | Criminal | Vietnam | – | 2023 | – | – | 6 |
| core | – | Criminal | – | – | 2017 | 2019 | Dormant | 2 |
| Corkow, Metel | Corkow, Metel | Criminal | Russia | – | 2011 | – | – | 4 |
| Corsair Jackal | Tunisian Cyber Army, TunisianCyberArmy | Targeted, sponsor unknown | Tunisia | – | – | – | – | 7 |
| Cosmic Leopard, Operation Celestial Force | Cosmic Leopard, Operation Celestial Force | State | Pakistan | – | 2018 | – | – | 4 |
| Cosmic Lynx | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| CosmicBeetle | – | Criminal | – | – | – | – | – | 3 |
| CostaRicto | – | Criminal | – | – | 2017 | – | – | 6 |
| Cotton Sandstorm | Operation ViceLeaker, ViceLeaker, DEV-0198, HAYWIRE KITTEN, Emennet Pasargad, Holy Souls, MARNANBRIDGE, NEPTUNIUM, Vice Leaker | State | Iran | Iran (Islamic Republic of) | 2018 | – | – | 6 |
| CoughingDown | – | Tracked, unattributed | – | – | – | – | – | 3 |
| CovertNetwork-1658 | Storm-0940, ORB07 | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| Crescent Typhoon | CESIUM | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Crimson Collective | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Cron | – | Criminal | Russia | – | 2015 | – | – | 4 |
| CRPxO | – | Criminal | – | – | – | – | – | 3 |
| CryptoChameleon | UNC5356 | Tracked, unattributed | – | – | – | – | – | 3 |
| Crystal Typhoon | Storm-1849, UAT4356 | State | China | – | – | – | – | 5 |
| CRYSTALRAY | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Cuba Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Curious Gorge | UNC3742 | State | China | PLA | 2022 | – | – | 7 |
| CURIUM | Crimson Sandstorm, Cuboid Sandstorm, Tortoiseshell, DEV-0228, Imperial Kitten, Operation “Fata Morgana”, Smoke Sandstorm, TA456, Tortoiseshell, Imperial Kitten, Cobalt Fireside, Devious Serpens, DUSTYCAVE, Houseblend, Marcella Flores, Tortoise Shell, Yellow Liderc | State | Iran | State-sponsored, Islamic Revolutionary Guard Corps (IRGC) | 2018 | 2026 | Active | 8 |
| Curly COMrades | – | State | Russia | – | – | – | – | 5 |
| Cyber Alliance | – | State | Ukraine | – | – | – | – | 3 |
| Cyber Army of Russia | UAC-0107, CyberArmyOfRussia | Hacktivist | Russia | – | – | – | – | 2 |
| Cyber Army of Russia Reborn | – | Hacktivist | – | – | – | – | – | 3 |
| Cyber Berkut | Kiberberkut | State | Russia | – | 2014 | – | – | 7 |
| Cyber Caliphate Army | Cyber Caliphate Army (CCA), ATK133, ATK 133, CCA, Cyber Caliphate Army (CCA), United Cyber Caliphate (UCC), CyberCaliphate, Islamic State Hacking Division, TAG-CT6, United Cyber Caliphate, United Cyber Caliphate (UCC), UUC | Targeted, sponsor unknown | – | – | 2014 | – | – | 7 |
| Cyber fighters of Izz Ad-Din Al Qassam | Cyber fighters of Izz Ad-Din Al Qassam, Fraternal Jackal, Fraternal Jackal, Qassam Cyber Fighters, QCF | State | Iran | State-sponsored | 2012 | – | – | 7 |
| Cyber Islamic Resistance | – | Hacktivist | Iran | – | – | – | – | 3 |
| Cyber Partisans | Partisan Jackal, cpartisans, Cyber-Partisans, Partisan Zmiy, киберпартизаны, Кібер-Партызаны, кіберпартызаны | Criminal | Belarus | – | – | – | – | 6 |
| Cyber Serp | UAC-0255 | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Cyber Toufan | – | State | Iran | – | – | – | – | 4 |
| Cyber.Anarchy.Squad | Cyber Anarchy Squad | Targeted, sponsor unknown | Ukraine | – | – | – | – | 3 |
| CyberAv3ngers | Cyber Av3ngers, Shahid Kaveh Group, Soldiers of Soloman | State | Iran | IRGC, Islamic Revolutionary Guard Corps, NSA | 2019 | 2026 | Active | 8 |
| CyberCartel | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| CyberNiggers | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| CyberVolk | – | Hacktivist | – | – | – | – | – | 1 |
| Cylance | – | Criminal | – | – | 2015 | 2017 | Dormant | 2 |
| DAGGER PANDA | Icefog, Moshen Dragon, NOMAD PANDA, RedFoxtrot, ATK23, Icefog, Dagger Panda, PLA Unit 69010, Red Foxtrot, Red Wendigo, SectorB06, TEMP.Trident, UAT-7290, ATK 23, Fucobha, Ice Fog, Trident | State | China | State-sponsored | 2011 | 2013 | Dormant | 9 |
| Daggerfly | BRONZE HIGHLAND, Evasive Panda, Storm Cloud, TAG-112, TAG-102, Digging Taurus, StormBamboo | State | China | State-sponsored | 2012 | 2026 | Active | 8 |
| Daixin Team | – | Criminal | – | – | – | – | – | 3 |
| Dalbit | – | State | China | – | 2022 | 2023 | Dormant | 6 |
| DangerousSavanna | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Danti | – | Tracked, unattributed | – | – | – | – | – | 4 |
| DaOnlySpark | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Dark Basin | Mercenary.Amanda | State | India | BellTroX InfoTech Services | 2013 | – | – | 6 |
| Dark Caracal | ATK27, G0070, Operation “Dark Caracal”, ATK 27, TAG-CT3 | State | Lebanon | State-sponsored, General Directorate of General Security (GDGS) | 2007 | 2026 | Active | 10 |
| DarkBlinders | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| DarkCasino | Water Hydra | Criminal | – | – | 2021 | – | – | 7 |
| DarkGaboon | Vengeful Wolf, room155 | Criminal | – | – | – | – | – | 4 |
| Darkhotel | APT-C-60, DUBNIUM, Zigzag Hail, APT-C-06, APT-Q-12, ATK52, G0012, Shadow Crane, SIG25, Tardigrade Spider, TUNGSTEN BRIDGE, Dark Hotel, Darkhotel - APT-C-06, Dubnium (Microsoft), Egobot, Fallout Team, Karba, Luder, Nemim, Nemin, PALADIN, Pioneer, Purple Pygmy, SIG25 (NSA), T-APT-02, Tapaoux, TEMPLAR, TieOnJoe | State | South Korea | Korea (Republic of) | 2014 | 2026 | Active | 11 |
| DarkHydrus | ATK77, G0079, ATK 77, DarkHydrus, LazyMeerkat, Hive0075, LazyMeerkat, Obscure Serpens | State | Iran | State-sponsored | 2016 | 2026 | Active | 10 |
| DarkPink | Dark Pink, APT-LY-1005, Saaiwc, Saaiwc Group | State | China | – | 2022 | 2023 | Dormant | 9 |
| DarkRaaS | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| darkrace | Darkrace gang, Darkrace group, Darkrace ransomware | Criminal | – | – | – | – | – | 2 |
| Darkrypt | Yellow Dev 21 | Criminal | Iran | – | – | – | – | 2 |
| Darkside | BlackMatter | Criminal | – | – | – | – | – | 2 |
| DarkSpectre | – | Tracked, unattributed | – | – | – | – | – | 3 |
| DarkVishnya | G0105 | Criminal | – | – | – | 2026 | Active | 6 |
| DataSuckers | – | Criminal | – | – | – | – | – | 3 |
| Deadeye Jackal | Syrian Electronic Army (SEA), Syrian Electronic Army (SEA), Deadeye Jackal, ATK 196, SEA, Syria Malware Team, Syrian Electronic Army, SyrianElectronicArmy, TAG-CT2 | State | Syria | – | 2011 | – | – | 7 |
| Deep Panda | APT 19, APT19, APT26, APT9, Nightshade Panda, Taffeta Typhoon, Turbine Panda, APT 26, APT 9, Checkered Typhoon, G0009, Group 13, Group 27, Operation “Kingslayer”, Operation “Seven Pointed Dagger”, Red Kobold, Red Pegasus, TEMP.Avengers, TG-0055, TG-3551, APT 19, Deep Panda, C0d0so0, BEARCLAW, Black Vine, Bronze Express, Bronze Firestone, C0d0so0, Codoso, FlowerLady, FlowerShow, JerseyMikes, KungFu Kittens, Nightshade Panda, APT 9, Group 27, PinkPanther, Pupa, Shell Crew, Sunshop Group, TECHNETIUM, Turbine Panda, APT 26, Shell Crew, WebMasters, KungFu Kittens, WebMasters | State | China | A group likely composed of freelancers, with some degree of sponsorship by the Chinese government. (FireEye) | 2010 | 2026 | Active | 12 |
| DefrayX | Hive0091 | Criminal | – | – | – | – | – | 3 |
| Denim Tsunami | DEV-0291, DSIRF, KNOTWEED | Targeted, sponsor unknown | Austria | – | – | – | – | 8 |
| Desktop | – | Criminal | – | – | 2023 | 2023 | Dormant | 2 |
| Desorden Group | Choactic Spider, Chaoscc | Criminal | – | – | – | – | – | 4 |
| DEV-0147 | – | State | China | – | – | – | – | 3 |
| DEV-0569 | Storm-0569 | Criminal | – | – | – | – | – | 7 |
| DEV-0928 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| DEV-1028 | – | Hacktivist | – | – | – | – | – | 3 |
| Devman Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| DEXTOROUS SPIDER | Dextorous Spider | Tracked, unattributed | – | – | – | – | – | 7 |
| DiceyF | – | State | China | – | – | – | – | 3 |
| DieNet | Shiite_Harvest | Hacktivist | – | – | – | – | – | 3 |
| DIZZY PANDA | Dizzy Panda, LadyBoyle | Targeted, sponsor unknown | China | – | – | – | – | 6 |
| DragonBreath | APT-Q-27,, Golden Eye Dog | Hacktivist | – | – | – | – | – | 4 |
| Dragonbridge | Taizi Flood, Spamouflage, Spamouflage Dragon | State | China | – | – | – | – | 5 |
| Dragonfly | Berserk Bear, Dragonfly 2.0, Energetic Bear, Ghost Blizzard, ATK6, Blue Kraken, G0035, Group 24, IRON LIBERTY, ITG15, TEMP.Isotope, TG-4192, ALLANITE, ATK 6, Berserk Bear, Dragonfly 2.0, BROMINE, CASTLE, Crouching Yeti, DYMALLOY, Electrum, Energetic Bear, Dragonfly, Havex, Koala Team | State | Russia | FSB | 2010 | 2026 | Active | 9 |
| Dragonforce | DragonForce, Storm-2380, Hackledorb | Criminal | Malaysia | – | – | – | – | 6 |
| DragonForce Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| DragonOK | Operation Dragon Castling, G0017, Bronze Overbrook, Dragon Castling, Moafee, Shallow Taurus | State | China | – | 2015 | 2026 | Active | 9 |
| DragonRank | – | Criminal | – | – | – | – | – | 4 |
| DragonSpark | – | State | China | – | 2022 | – | – | 6 |
| DriftingCloud | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| DriveSurge | – | Tracked, unattributed | – | – | – | – | – | 3 |
| DUNGEON SPIDER | Dungeon Spider | Criminal | Russia | – | 2016 | – | – | 7 |
| Dust Storm | G0031 | State | China | Seems state-sponsored | 2010 | – | – | 6 |
| Earth Alux | – | State | China | – | 2023 | – | – | 5 |
| Earth Baxia | – | State | China | – | 2024 | – | – | 5 |
| Earth Berberoka | Gambling Puppet, GamblingPuppet | State | China | – | 2022 | – | – | 6 |
| Earth Freybug | – | State | China | – | 2012 | – | – | 5 |
| Earth Kitsune | Operation Earth Kitsune | State | North Korea | – | 2019 | – | – | 6 |
| Earth Krahang | – | State | China | – | 2022 | – | – | 5 |
| Earth Kurma | – | State | China | – | 2020 | – | – | 5 |
| Earth Lamia | UNC5454 | State | China | – | 2023 | – | – | 6 |
| Earth Longzhi | SnakeCharmer | State | China | – | 2020 | – | – | 6 |
| Earth Lusca | Charcoal Typhoon, FishMedley, RedHotel, AQUATIC PANDA, G1006, Operation “FishMedley”, Red Dev 10, Red Scylla, TAG-22, BountyGlad, Bronze University, CHROMIUM, ControlX, Fishmonger, RedHotel, TAG-22 | State | China | State-sponsored, I-Soon | 2019 | 2026 | Active | 9 |
| Earth Minotaur | – | State | China | – | 2019 | – | – | 4 |
| Earth Naga | – | State | China | – | – | – | – | 3 |
| Earth Sirrush | SHADOW-EARTH-065 | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Earth Wendigo | – | State | China | – | 2019 | – | – | 6 |
| Earth Yako | Operation RestyLink, Operation Enelink, Enelink | Targeted, sponsor unknown | – | – | 2021 | – | – | 7 |
| EC2 Grouper | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Edalat-e Ali | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| Elderwood | APT 17, Aurora, Beijing Group, APT 17, Deputy Dog, Elderwood, Sneaky Panda, G0066, Operation Aurora, Operation “DeputyDog”, Operation “Ephemeral Hydra”, Operation “RAT Cook”, SIG22, Sneaky Panda, TEMP.Avengers, TG-8153, ATK 2, Bronze Keystone, Deputy Dog, Dogfish, Elderwood Gang, Tailgater Team | State | China | State-sponsored, Jinan bureau of the Chinese Ministry of State Security | 2009 | 2026 | Active | 7 |
| Eldorado Ransomware Operators | – | Criminal | – | – | – | – | – | 1 |
| ELOQUENT PANDA | Eloquent Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| ELUSIVE COMET | – | Targeted, sponsor unknown | North Korea | – | – | – | – | 3 |
| Ember Bear | Cadet Blizzard, DEV-0586, SaintBear, Bleeding Bear, G1003, Operation “Bleeding Bear”, Storm-0587, TA471, UAC-0056, UNC2589, Frozenvista, Lorec53, Nascent Ursa, Nodaria, Ruinous Ursa, SaintBear, Lorec53 | State | Russia | GRU, Unit 29155 | 2020 | 2026 | Active | 9 |
| Enigma | – | Criminal | – | – | 2014 | 2014 | Dormant | 2 |
| ENVOY PANDA | – | Targeted, sponsor unknown | China | – | – | – | – | 1 |
| Equation | Equation Group, APT-C-40, G0020, Operation Triangulation, Bvp47 / Equation, EQGRP, Housefly, NSA TAO, Platinum Colony, Remsec, Tilded Team | State | United States | GCHQ, MSS, Ministry of State Security, NSA | 2001 | 2026 | Active | 10 |
| Everest Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Evilbyte | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Evilnum | Deceptikons, Knockout Spider, Wild Neutron, WildNeutron, G0120, Operation “Phantom in the [Command] Shell”, TA4563, Butterfly, DeathStalker, Decepticons, Deceptikons, DeathStalker, Jointworm, Jripbot, Morpho, Sphinx Moth, The Postal Group, Wild Neutron, Butterfly, Sphinx Moth | Targeted, sponsor unknown | – | – | 2012 | 2026 | Active | 11 |
| EvilPost | – | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| EvilTraffic | Operation EvilTraffic | Tracked, unattributed | – | – | – | – | – | 4 |
| EvilWeb | – | Hacktivist | Russia | – | – | – | – | 3 |
| Evolution | – | Criminal | – | – | 2011 | 2016 | Dormant | 2 |
| ExCobalt | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| ExfilSquad | Storm-3189 | Criminal | – | – | – | – | – | 4 |
| Exilware | – | State | Brazil | – | – | – | – | 3 |
| EXOTIC LILY | Coldtrain, DEV-0413, Lily Spider, TA580, Projector Libra | Criminal | Russia | – | – | 2026 | Active | 6 |
| Explorer | – | Criminal | – | – | 2014 | 2014 | Dormant | 2 |
| Fail0verflow | Team Twiizer | Tracked, unattributed | – | – | – | – | – | 3 |
| Federal Security Service (Russia) | Федеральная служба безопасности | Agency or leak | Russia | FSB | – | – | – | 2 |
| Femwar02 | – | Criminal | Russia | – | – | – | – | 3 |
| Ferocious Kitten | G0137 | State | Iran | – | 2015 | 2026 | Active | 7 |
| File Spider | Spider | Criminal | – | – | 2014 | 2014 | Dormant | 2 |
| FIN1 | – | Criminal | Russia | – | – | – | – | 4 |
| FIN10 | G0051 | Criminal | – | – | 2016 | 2026 | Active | 9 |
| FIN13 | Elephant Beetle, Squab Spider, TG2003 | Criminal | Russia | – | 2016 | 2026 | Active | 9 |
| FIN4 | WOLF SPIDER, FIN4, Wolf Spider, G0085 | Criminal | Romania | – | 2013 | 2026 | Active | 6 |
| FIN5 | G0053 | Criminal | – | – | 2008 | 2026 | Active | 8 |
| FIN6 | Camouflage Tempest, GC01, GC02, Storm-0538, Venom Spider, ATK88, FIN6, Skeleton Spider, G0037, ITG08, Skeleton Spider, TA4557, White Giant, ATK 88, badbullz, badbullzvenom, Gold Franklin, Golden Chickens, Golden Chickens 01, Golden Chickens 02, Golden Chickens01, Golden Chickens02, Magecart Group 6, SQUID COMET, TAAL, TAG-CR2, Trinity, Venom Spider, Golden Chickens | Criminal | Russia | – | 2015 | 2026 | Active | 13 |
| FIN7contested | Carbanak, Sangria Tempest, APT-C-11, ATK32, Carbon Spider, G0046, GOLD NIAGARA, ITG14, Anunak, ATK 32, Calcium, Carbanak - APT-C-11, Carbanak Group, CarbonSpider, Coreid, Coried, ELBRUS, GrayAlpha, JokerStash, Magecart Group 7, Navigator, Navigator Group, TAG-CR1, TelePort Crew, WILD COMET | Criminal | Russia | – | 2013 | 2026 | Active | 14 |
| FIN8 | Storm-0288, ATK113, G0061, ATK 113, PUNCH COMET, Syssphinx | Criminal | Russia | – | 2016 | 2026 | Active | 12 |
| Final | – | Criminal | – | – | 2010 | 2017 | Dormant | 2 |
| Fishing Elephant | Outrider Tiger | Targeted, sponsor unknown | – | – | 2019 | – | – | 6 |
| Flax Typhoon | RedJuliett, Ethereal Panda, Storm-0919 | State | China | State-sponsored | 2021 | – | – | 10 |
| FlowerStorm | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Flyfox | – | Tracked, unattributed | – | – | – | – | – | 4 |
| FlyingYeti | Storm-1837, Flying Yeti | State | Russia | – | – | – | – | 3 |
| Fog | – | Criminal | – | – | – | – | – | 2 |
| Foreign Intelligence Service (Russia) | Служба Внешней Разведки | Agency or leak | Russia | SVR | – | – | – | 2 |
| Fox Group | APT-C-44, North African Fox | State | Algeria | – | – | – | – | 4 |
| Fox Kitten | Lemon Sandstorm, Parisite, G0117, Parisite, Fox Kitten, Pioneer Kitten, Pioneer Kitten, UNC757, Cobalt Foxglove, Pay2key, PioneerKitten, RUBIDIUM, Yellow Dev 15 | State | Iran | – | 2017 | 2026 | Active | 13 |
| Fox Tempest | – | Criminal | – | – | – | – | – | 4 |
| FOXY PANDA | Foxy Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| FrostyNeighbor | – | Targeted, sponsor unknown | Belarus | – | – | – | – | 3 |
| FRwL | UAC-0118, FromRussiaWithLove, Z-Team | Hacktivist | – | – | – | – | – | 4 |
| Fulcrumsec | FulcrumSec | Criminal | – | – | – | – | – | 3 |
| FunkSec | – | Hacktivist | – | – | – | – | – | 3 |
| FusionCore | – | Criminal | – | – | – | – | – | 3 |
| Fxmsp | ATK134, ATK 134, TAG-CR17 | Criminal | Kazakhstan | – | 2016 | – | – | 6 |
| GALLIUM | Granite Typhoon, Operation Soft Cell, Stone Panda, APT 10, CTG-5938, Earth Kasha, G0093, ITG01, Operation “A41APT”, Operation “Cache Panda”, Operation “ChessMaster”, Operation “Cloud Hopper”, Operation “Cuckoo Spear”, Operation “New Battle”, Operation “Soft Cell”, Operation “TradeSecret”, Phantom Panda, Purple Typhoon, Red Apollo, Red Dev 4, Red Moros, TA429, Alloy Taurus, ATK 41, Bronze Riverside, Cicada, Cuckoo Spear, CVNX, Granite Taurus, Granite Typhoon (Microsoft), Happyyongzi, Hogfish, menuPass, menuPass Team, Othorene, Phantom Panda (CrowdStrike), Potassium, Soft Cell, Stone Panda, APT 10, menuPass, UNSC 2814 | State | China | State-sponsored, Tianjin bureau of the Chinese Ministry of State Security, Huaying Haitai | 2006 | 2026 | Active | 13 |
| Gallmaker | G0084 | Targeted, sponsor unknown | – | – | 2017 | 2026 | Active | 10 |
| GamaCopy | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Gamaredon Group | Aqua Blizzard, Gamaredon, InvisiMole, Storm-0593, APT-C-53, Blue Otso, DEV-0157, FSB 16th & 18th Centers, G0047, IRON TILDEN, Operation “STEADY#URSA”, Primitive Bear, SectorC08, UAC-0010, UAC-0035, UNC530, ACTINIUM, Armageddon, BlueAlpha, Callisto, Gamaredon - APT-C-53, Hive0051, Hive0051 (IBM), NastyShrew, Shuckworm, Trident Ursa, Winterflounder | State | Russia | FSB | 2013 | 2026 | Active | 16 |
| GambleForce | – | State | China | – | 2023 | – | – | 6 |
| Gammax | – | Criminal | – | – | – | – | – | 3 |
| Gangnam Industrial Style | – | Targeted, sponsor unknown | – | – | 2019 | – | – | 4 |
| GCMAN | G0036 | Criminal | Russia | – | 2016 | 2026 | Active | 8 |
| Gelsemium | Operation NightScout, Operation “NightScout”, Operation “TooHash” | State | China | – | 2014 | 2014 | Dormant | 9 |
| General Directorate of Intelligence | د استخباراتو لوی ریاست | Agency or leak | – | – | – | – | – | 2 |
| Georgian Intelligence Service | საქართველოს დაზვერვის სამსახური | Agency or leak | – | – | – | – | – | 2 |
| Ghost Jackal | AnonGhost | Targeted, sponsor unknown | – | – | – | – | – | 7 |
| Ghost Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| GHOST STADIUM | – | Criminal | China | – | – | – | – | 3 |
| GhostAction | – | Tracked, unattributed | – | – | 2025 | – | – | 3 |
| GhostNet | GhostNet, Snooping Dragon, Snooping Dragon | State | China | State-sponsored, PLA Unit 61398 | 2009 | 2009 | Dormant | 7 |
| GhostRedirector | – | Criminal | China | – | – | – | – | 3 |
| GhostSec | Ghost Security | Hacktivist | – | – | – | – | – | 5 |
| Ghostwriter | Operation Ghostwriter, Storm-0257, TA866, Blue Dev 4, DEV-0257, Operation “Asylum Ambuscade”, TA445, UAC-0051, UAC-0057, UAC-0064, UAC-0105, UNC1151, White Lynx, Asylum Ambuscade, Moonscape, PUSHCHA | State | Belarus | State-sponsored | 2017 | 2022 | Dormant | 11 |
| GIBBERISH PANDA | Gibberish Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| Gitloker | – | Tracked, unattributed | – | – | – | – | – | 4 |
| GlobalSecretGroup | global secret group | Criminal | – | – | – | – | – | 3 |
| Gnosticplayers | – | Criminal | Pakistan | – | 2019 | – | – | 6 |
| GOFFEE | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GOLD BURLAP | CYBORG SPIDER, White Thalia | Criminal | Russia | – | – | – | – | 4 |
| GOLD DUPONT | Sprite Spider, Sprite Spider, Gold Dupont | Criminal | – | – | 2015 | – | – | 5 |
| GOLD FAIRFAX | – | Criminal | – | – | – | – | – | 4 |
| GOLD FLANDERS | – | Hacktivist | – | – | – | – | – | 4 |
| GOLD GALLEON | – | Criminal | – | – | – | – | – | 3 |
| GOLD MANSARD | Traveling Spider | Criminal | – | – | 2019 | – | – | 4 |
| GOLD NORTHFIELD | – | Criminal | – | – | – | – | – | 4 |
| GOLD OGRE | – | Criminal | – | – | 2026 | – | – | 2 |
| GOLD SKYLINE | TG-2798, Ojie Victor, Wire-Wire Group 1, Yahoo Boys | Criminal | Nigeria | – | – | – | – | 4 |
| GOLD SOUTHFIELD | GOLD GARDEN, Pinchy Spider, G0115, Pinchy Spider, Gold Southfield | Criminal | Russia | – | 2018 | 2026 | Active | 7 |
| GOLD SYMPHONY | – | Criminal | Russia | – | – | – | – | 4 |
| GoldenJackal | Golden Jackal | Targeted, sponsor unknown | – | – | 2019 | – | – | 7 |
| GoldFactory | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Goldmousecontested | APT-C-27, ATK80, Deadeye Hawk, ATK 80, Golden Rat, Goldmouse, APT-C-27 | State | Syria | Syrian Electronic Army | 2014 | – | – | 8 |
| good day | – | Criminal | – | – | – | – | – | 2 |
| GopherWhisper | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Gorgon | – | Criminal | – | – | – | – | – | 2 |
| Gorgon Group | The Gorgon Group, ATK92, G0078, ATK 92, Pasty Draco, Pasty Gemini, Subaat, TAG-CR5 | State | Pakistan | State-sponsored | 2017 | 2026 | Active | 7 |
| Gorilla | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Government Communications Headquarterscontested | GCHQ, Operation Socialist | Agency or leak | UK | GCHQ | 1919 | – | – | 3 |
| GozNym | – | Criminal | – | – | – | – | – | 4 |
| Gray Sandstorm | DEV-0343 | Targeted, sponsor unknown | Iran | – | – | – | – | 7 |
| GrayBravo | TAG-150 | Tracked, unattributed | – | – | – | – | – | 3 |
| GrayCharlie | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Grayling | – | State | China | China | 2023 | – | – | 6 |
| GreedyBear | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| GreenCharlie | – | State | Iran | State-sponsored, Islamic Revolutionary Guard Corps (IRGC) | 2020 | – | – | 3 |
| GreenMwizi | – | Criminal | – | – | – | – | – | 1 |
| GreenSpot | APT-C-01, APT-Q-20, PoisonVine | State | Taiwan | – | – | – | – | 5 |
| GreyEnergy | – | Targeted, sponsor unknown | Russia | – | – | – | – | 5 |
| GreyVibe | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Groundbait | Operation Groundbait | State | Ukraine | – | 2008 | 2016 | Dormant | 7 |
| Group5 | G0043 | State | Iran | State-sponsored | 2015 | 2026 | Active | 9 |
| GRU (Russian Federation) | Главное Разведывательное Управление | Agency or leak | Russia | GRU | – | – | – | 2 |
| GTFire | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-04001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-10007 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-1002 | Storm-2634 | State | China | – | – | – | – | 4 |
| GTG-14010 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-14020 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-14021 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-14022 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-15001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16002 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16003 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16005 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16006 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16008 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-16012 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-17001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-17002 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-17003 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-20006 | – | State | Russia | – | – | – | – | 3 |
| GTG-24015 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-27005 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-27006 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-30004 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-30005 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-30006 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-34001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-34007 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-50014 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-50020 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-50027 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GTG-50029 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-54002 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-54004 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-54006 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-54009 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-84002 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-84005 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-84006 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| GTG-87001 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Guacamaya | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| GURU SPIDER | Guru Spider | Criminal | Russia | – | 2014 | – | – | 6 |
| GXC Team | – | Criminal | – | – | – | – | – | 1 |
| H0lyGh0st | Storm-0530, DEV-0530 | Criminal | North Korea | – | – | – | – | 5 |
| H0lyGh0st Ransomware Group | – | Criminal | – | – | – | – | – | 1 |
| Hacked | – | Criminal | – | – | 2017 | 2017 | Dormant | 2 |
| Hacking Team | – | Criminal | Italy | – | 2003 | – | – | 7 |
| Hades | Operation “TrickyMouse” | State | Russia | Lazarus | 2017 | – | – | 4 |
| HAFNIUM | Silk Typhoon, ATK233, G0125, Murky Panda, Operation Exchange Marauder, Red Dev 13, UNC2639, UNC2640, UNC2643, timmy | State | China | State-sponsored, Ministry of State Security | 2021 | 2026 | Active | 13 |
| Hagga | Aggah, Operation “Red Deer”, Operation “Roma225”, TH-157 | Targeted, sponsor unknown | – | – | 2018 | – | – | 6 |
| Handala | – | Criminal | Palestine | – | – | – | – | 3 |
| Handala Hack Team | Operation “HamsaUpdate” | Tracked, unattributed | – | – | 2023 | – | – | 3 |
| Harvester | – | State | – | State-sponsored | 2021 | – | – | 3 |
| Head Mare | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Helldown | – | Criminal | – | – | – | – | – | 2 |
| HellHounds | – | Tracked, unattributed | – | – | – | – | – | 4 |
| HenBox | – | State | China | China | – | – | – | 4 |
| HexagonalRodent | – | Tracked, unattributed | – | – | – | – | – | 3 |
| HEXANE | LYCEUM, Storm-0133, Chrono Kitten, G1001, Operation “Out to Sea”, UNC1530, ATK 120, Cobalt Lyceum, MYSTICDOME, Siamesekitten, Spirlin, Yellow Dev 9 | State | Iran | Iran (Islamic Republic of) | 2017 | 2026 | Active | 8 |
| Hezb | Mimo | Tracked, unattributed | – | – | – | – | – | 4 |
| HiddenArt | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Higaisa | DarkHotel, APT-C-06, CTG-1948, G0126, Operation “DarkHotel”, Operation “Daybreak”, Operation “Inexsmar”, Operation “PowerFall”, Operation “The Gh0st Remains the Same”, Shadow Crane, SIG25, Zigzag Hail, ATK 52, Dubnium, Fallout Team, Luder, Purple Pygmy, T-APT-02, TieOnJoe, Tungsten Bridge | State | South Korea | State-sponsored | 2007 | 2026 | Active | 7 |
| HikkI-Chan | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Hive Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| HIVE-0145 | Hive0145 | Criminal | – | – | – | – | – | 3 |
| Hive0117 | – | Criminal | – | – | – | – | – | 4 |
| Hive0137 | – | Criminal | – | – | – | – | – | 3 |
| Hive0163 | – | Criminal | – | – | – | – | – | 3 |
| HollowQuill | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| HolyWater | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Honeybee | G0072 | Targeted, sponsor unknown | – | – | 2017 | – | – | 7 |
| HookAds | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Houken | – | State | China | – | – | – | – | 3 |
| HOUND SPIDER | – | Targeted, sponsor unknown | Russia | – | – | – | – | 5 |
| Houndstooth Typhoon | DRAGNET PANDA, deepclif, HASSIUM, isoon | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| HummingBad | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Hunt3r Kill3rs | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| HURRICANE PANDA | Hurricane Panda, Operation “Poisoned Hurricane” | State | China | – | 2013 | 2014 | Dormant | 7 |
| Hyadina | – | Criminal | – | – | – | – | – | 3 |
| Hydrochasma | – | Targeted, sponsor unknown | – | – | 2022 | – | – | 4 |
| IAmNotAVillain | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| IcePeony | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| IMPERSONATING PANDA | Impersonating Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| INC Ransom | GOLD IONIC, Inc, Inc Group, INC ransomware, INC ransomware group, Inc., Inc. Ransom | Criminal | – | – | – | 2026 | Active | 5 |
| Inception | Inception Framework, ATK116, Blue Odin, G0100, Operation “Cloud Atlas”, Operation “RedOctober”, ATK 116, Clean Ursa, Cloud Atlas, Inception Framework, Cloud Atlas, Oxygen, The Rocra | State | Russia | Russian Federation | 2012 | 2026 | Active | 8 |
| Indian Army | – | Agency or leak | India | Military Intelligence | 2017 | 2017 | Dormant | 2 |
| IndigoZebra | G0136 | State | China | – | 2014 | 2026 | Active | 8 |
| INDOHAXSEC TEAM | – | Criminal | Indonesia | – | – | – | – | 3 |
| Indrik Spider | Doppel Spider, Evil Corp, GOLD WINTER, Manatee Tempest, Blue Lelantos, DEV-0243, G0119, Mustard Tempest, UNC2165, BitPaymer, doppel paymer, DoppelPaymer, DoppelPaymer gang, DoppelPaymer group, DoppelPaymer ransomware, EvilCorp, FriedEx, Gold Drake, Gold Heron, Grief Group, IEncrypt, Pay OR Grief | Criminal | Russia | – | 2007 | 2026 | Active | 12 |
| Infrastructure Destruction Squad | Dark Engine | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Infraud Organization | Operation “Shadow Web” | Criminal | – | – | 2010 | – | – | 4 |
| Infy | APT-C-07, Operation Mermaid, Foudre, Infy, Prince of Persia, Prince of Persia | State | Iran | State-sponsored | 2007 | 2016 | Dormant | 6 |
| INJ3CTOR3 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Inteid | – | Hacktivist | – | – | – | – | – | 3 |
| IntelBroker | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| IRLeaks | – | Criminal | – | – | – | – | – | 3 |
| IronErn440 | – | Hacktivist | – | – | – | – | – | 4 |
| IronHusky | Operation “MysterySnail”, BBCY-TA1 | State | China | – | 2017 | – | – | 7 |
| ItaDuke | DarkUniverse, SIG27 | State | China | – | 2017 | 2019 | Dormant | 8 |
| Jabaroot | Jabaroot DZ | State | Algeria | – | – | – | – | 3 |
| JACKPOT PANDA | – | State | China | – | – | – | – | 5 |
| JadePuffer | Storm-3168 | Criminal | – | – | – | – | – | 5 |
| JavaGhost | – | Criminal | – | – | – | – | – | 4 |
| JCrypt | Crypted, Daddycrypt, Foxxy, Iam_watching, Locked, Mafiaware666, MALKI, MALWAREDEVELOPER, Ncovid, NotStonks, Omero, Poison, RIP lmao, Vn_os, Wearefriends | Criminal | – | – | 2013 | 2013 | Dormant | 2 |
| Jingle Thief | CL-CRI-1032 | Criminal | – | – | 2025 | – | – | 3 |
| JINX-0126 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| JINX-0164 | – | Criminal | North Korea | – | – | – | – | 4 |
| JuiceLedger | – | Tracked, unattributed | – | – | – | – | – | 4 |
| k0t | CryptoFeel, Member19, QazWsxShop | Criminal | – | – | 2026 | – | – | 3 |
| Kairos | – | Criminal | – | – | – | – | – | 3 |
| Karakurt | Gold Tomahawk, Karakurt Lair, Karakurt Team, Mushy Scorpius | Criminal | Russia | – | 2021 | – | – | 9 |
| Karkadann | Piwiks | Targeted, sponsor unknown | – | – | 2020 | – | – | 5 |
| Kasablanka | – | Targeted, sponsor unknown | Morocco | – | – | – | – | 4 |
| KAX17 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Kazu | – | Criminal | – | – | – | – | – | 3 |
| Ke3chang | APT15, GREF, Nylon Typhoon, PurpleHaze, APT 15, CTG-9246, G0004, Operation “Ke3chang”, Operation “MirageFox”, Red Vulture, Vixen Panda, BackdoorDiplomacy, Bronze Davenport, Bronze Idlewood, Bronze Palace, Flea, Ke3chang, Vixen Panda, APT 15, GREF, Playful Dragon, Lurid, Metushy, Mirage, NICKEL, Playful Dragon, Playful Taurus, RedRiver, RIVER CASTLE, Royal APT, RoyalAPT, Social Network Team | State | China | State-sponsored | 2010 | 2026 | Active | 8 |
| Keksec | FreakOut, Kek Security, Necro | Tracked, unattributed | – | – | – | – | – | 4 |
| KelvinSecurity | Kelvin Security | Targeted, sponsor unknown | Spain | – | – | – | – | 3 |
| Keymous+ | keymous, Keymous Plus | Hacktivist | – | – | – | – | – | 3 |
| Killnet | Blue Kurama, UAC-0108 | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| Killsec | – | Criminal | – | – | – | – | – | 1 |
| Kimsuky | APT43, Emerald Sleet, Larva-24005, Opal Sleet, Operation Kabar Cobra, TA406, UAT-5394, APT 43, APT-C-55, Earth Kumiho, G0094, ITG16, Kimsuky, Velvet Chollima, Operation Stolen Pencil, Operation “Baby Coin”, Operation “Covert Stalker”, Operation “DEEP#DRIVE”, Operation “DEEP#GOSU”, Operation “Kabar Cobra”, Operation “Mystery Baby”, Operation “Red Salt”, Operation “Smoke Screen”, Operation “Stealth Power”, Operation “Stolen Pencil”, RGB-D5, TA427, Velvet Chollima, ARCHIPELAGO, Black Banshee, Greendinosa, Kimsuky - APT-C-55, Konni, KTA082, Larva-25004, OSMIUM, PatheticSlug, Planedown, SharpTongue, Sparkling Pisces, Springtail, THALLIUM, Vedalia | State | North Korea | Lazarus | 2012 | 2026 | Active | 11 |
| Kinsing | Money Libra | Tracked, unattributed | – | – | – | – | – | 4 |
| Kiss-a-Dog | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Korean | – | Criminal | – | – | 2021 | 2022 | Dormant | 2 |
| KromSec | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Krybit | – | Criminal | – | – | – | – | – | 3 |
| Kumsong121 | – | Targeted, sponsor unknown | North Korea | – | – | – | – | 3 |
| La Piovra | – | Criminal | – | – | – | – | – | 2 |
| LabHost | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Lamashtu | – | Criminal | – | – | – | – | – | 3 |
| Lancefly | – | Targeted, sponsor unknown | – | – | 2018 | – | – | 6 |
| LandUpdate808 | TAG-124 | Criminal | – | – | – | – | – | 3 |
| LAPSUS$ | LAPSUS, Strawberry Tempest, DEV-0537, G1004, Slippy Spider, UNC3661, White Dev 111, Gold Rainforest | Criminal | Brazil | – | 2021 | 2026 | Active | 13 |
| Larva-208 | EncryptHub | Criminal | – | – | – | – | – | 4 |
| Larva-24009 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Larva-24010 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Larva-26002 | – | Criminal | – | – | – | – | – | 3 |
| Larva-26005 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Larva-26009 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Larva-26010 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Larva‑25012 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Lazarus Group | Citrine Sleet, Covellite, Diamond Sleet, Jade Sleet, Operation Sharpshooter, Sapphire Sleet, TraderTraitor, UNC1069, UNC2970, APT 38, APT-C-26, APT38, ATK117, ATK3, CTG-2460, DEV-0139, DEV-1222, G0032, Genie Spider, Group 77, ITG03, Labyrinth Chollima, Lazarus Group, Hidden Cobra, Labyrinth Chollima, Moonstone Sleet, NICKEL ACADEMY, NICKEL GLADSTONE, Operation AppleJeus, Operation DarkSeoul, Operation GhostSecret, Operation Troy, Operation “99”, Operation “AppleJeus sequel”, Operation “AppleJeus”, Operation “Blockbuster”: Breach of Sony Pictures Entertainment, Operation “CryptoCore”, Operation “Dream Job”, Operation “Dream Magic”, Operation “Flame”, Operation “GhostSecret”, Operation “In(ter)caption”, Operation “LolZarus”, Operation “Marstech Mayhem”, Operation “No Pineapple!”, Operation “North Star”, Operation “Phantom Circuit”, Operation “Sharpshooter”, Operation “SyncHole”, Operation “Ten Days of Rain” / ”DarkSeoul”, Operation “Troy”, SectorA01, STARDUST CHOLLIMA, Storm-0139, Storm-0954, Storm-1222, TA404, UNC4034, UNC4736, UNC4899, UNC577, Alluring Pisces, Andariel, Appleworm, ATK 3, BeagleBoyz, Black Artemis, BlueNoroff, Bureau 121, CageyChameleon, COPERNICIUM, CryptoCore, Dark Seoul, Gleaming Pisces, Gods Apostles, Gods Disciples, Guardians of Peace, Hastati Group, HIDDEN COBRA, Lazarus, Lazarus - APT-C-26, MASAN, MIDNIGHT NEPTUNE, NewRomanic Cyber Army Team, Pukchong, Slow Pisces, Subgroup: Bluenoroff, Unit 121, Whois Hacking Team, ZINC | State | North Korea | Lazarus, RGB, Reconnaissance General Bureau | 2007 | 2026 | Active | 12 |
| LazyScripter | G0140 | Targeted, sponsor unknown | – | – | 2018 | 2026 | Active | 7 |
| Leafminer | Flash Kitten, RASPITE, G0077, Leafminer, Raspite | State | Iran | – | 2017 | 2026 | Active | 7 |
| leetMX | – | State | Mexico | – | 2016 | – | – | 5 |
| Leviathan | APT40, Electric Panda, GADOLINIUM, Gingham Typhoon, APT 40, ATK29, BRONZE MOHAWK, G0065, ITG09, Kryptonite Panda, Red Ladon, TA423, TEMP.Jumper, TEMP.Periscope, ATK 29, Feverdream, Flaccid Rose, Hainan Xiandun Technology Company, ISLAND CASTLE, ISLANDDREAMS, JJDoor, Jumper Taurus, Ladon, Leviathan, APT 40, TEMP.Periscope, Leviathon, MUDCARP, Nanhaishu, Pickleworm, ScanBox | State | China | Hainan State Security Department, MSS, Ministry of State Security | 2013 | 2026 | Active | 14 |
| Lexus | TA499, Vovan, Vovan and Lexus | Targeted, sponsor unknown | Russia | – | 2023 | 2023 | Dormant | 5 |
| Libyan Scorpions | – | State | Libya | – | 2015 | 2016 | Dormant | 7 |
| Lifting Zmiy | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| LightBasin | Luminal Panda, UNC1945, CL-CRI-0025, DecisiveArchitect, TH-239 | State | China | – | 2016 | – | – | 7 |
| Lilac Typhoon | DEV-0234 | Criminal | China | – | – | – | – | 6 |
| LilacSquid | – | Tracked, unattributed | – | – | – | – | – | 4 |
| LIMINAL PANDA | Pepper Typhoon, CL-STA-0969 | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| LinkC Pub | LinkC | Criminal | – | – | – | – | – | 3 |
| LockBit | ABCD, ABCD Ransomware, LockBit 2.0, LockBit 3.0, LockBit Black, Lockbit_RaaS | Criminal | Russia | – | 2019 | 2024 | Active | 3 |
| LockBit Ransomware Actors & Affiliates | – | Criminal | – | – | – | – | – | 1 |
| LofyGang | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Longhorn | CIA, APT-C-39, CIA - APT-C-39, Lamberts, Longhorn, The Lamberts, Platinum Terminal, The Lamberts | State | United States | CIA | 2009 | 2017 | Dormant | 8 |
| Longlegs | Storm-2603 | Criminal | China | – | – | – | – | 5 |
| LongNosedGoblin | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Lotus Blossom | LOTUS PANDA, ATK1, ATK78, CTG-8171, G0030, Operation “Lotus Blossom”, Raspberry Typhoon, Red Salamander, ATK 1, ATK 78, Bilbug, Billbug, Bronze Elgin, DRAGONFISH, Lotus Blossom, Spring Dragon, Thrip, RADIUM, Spring Dragon, ST Group, Thrip | State | China | State-sponsored | 2012 | 2026 | Active | 7 |
| Lucky Cat | TA413, White Dev 9, Luckycat | State | China | – | 2011 | 2012 | Dormant | 7 |
| LulzIntel | – | Tracked, unattributed | – | – | – | – | – | 3 |
| LulzSec Black | – | Hacktivist | – | – | – | – | – | 3 |
| LuminousMoth | – | Targeted, sponsor unknown | – | – | – | 2026 | Active | 3 |
| Lumma Stealer | Storm-2460, Storm-2477 | Criminal | – | – | – | – | – | 5 |
| Luna Moth | Silent Ransom, SilentRansomGroup, TG2729 | Criminal | – | – | – | – | – | 3 |
| Luna Tempest | – | Criminal | – | – | – | – | – | 3 |
| LUNAR SPIDER | Lunar Spider, Gold SwathMore | Criminal | Russia | – | 2019 | – | – | 8 |
| luoxk | – | Tracked, unattributed | – | – | 2017 | – | – | 4 |
| Lurk | – | Criminal | Russia | – | 2011 | 2012 | Dormant | 5 |
| Machete | El Machete, APT-C-43, G0095, Operation “HpReact”, TEMP.Andromeda, ATK 97, Machete - APT-C-43, machete-apt, TAG-NS1 | State | – | Unknown | 2010 | 2026 | Active | 8 |
| Madi | Mahdi | State | Iran | Iran (Islamic Republic of) | 2011 | 2012 | Dormant | 8 |
| MageCart | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Magic | – | Criminal | – | – | 2016 | 2016 | Dormant | 2 |
| Magic Hound | APT35, Charming Kitten, DEV-0270, Educated Manticore, ITG18, Mint Sandstorm, Rocket Kitten, TA453, APT 35, COBALT ILLUSION, DEV-0270, Nemesis Kitten, G0059, Group 83, Magic Hound, APT 35, Cobalt Illusion, Charming Kitten, Nemesis Kitten, Operation “BadBlood”, Operation “Newscaster”, Operation “Sponsoring Access”, Operation “SpoofedScholars”, Operation “Thamar Reservoir”, Operation “Woolen-GoldFish”, Storm-0270, TEMP.Beanie, UNC788, White Phosphorous, Agent Serpens, Ballistic Bobcat, Charming Kitten (Crowdstrike), CharmingCypress, Cobalt Mirage, Damselfly, DireFate, Greycatfish, iKittens, Iridium Group, Lord Nemesis, Mint Sandstorm (Microsoft), NewsBeef, Newscaster, Newscaster Team, Parastoo, Phosphorus, RICH ION, Rocket Kitten, Newscaster, NewsBeef, Saffron Rose, Tarh Andishan, Timberworm, TunnelVision, Yellow Dev 23, Yellow Dev 24, Yellow Garuda | State | Iran | Islamic Revolutionary Guard Corps | 2011 | 2026 | Active | 12 |
| Magic Kitten | Group 42, Group42, VOYEUR | State | Iran | IRGC, Ministry of Intelligence, NSA | 2007 | – | – | 6 |
| MAGNETIC SPIDER | Magnetic Spider | Targeted, sponsor unknown | Russia | – | – | – | – | 7 |
| Main Directorate of Special Programs of the President of the Russian Federation | Главное управление специальных программ Президента Российской Федерации | Agency or leak | Russia | – | – | – | – | 2 |
| MalKamak | Operation GhostShell | State | Iran | State-sponsored | 2018 | – | – | 6 |
| MALLARD SPIDER | Mallard Spider, ITG26, White Horoja, Gold Lagoon | Criminal | – | – | 2008 | – | – | 6 |
| Malsmoke | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Malteiro | – | Criminal | Brazil | – | – | 2026 | Active | 5 |
| Mana Team | – | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| Markopolo | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Massgrave | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Maze Team | Storm-0216, TA2101, DEV-0216, TUNNEL SPIDER, Twisted Spider, UNC2198, White Labyrinth, Gold Village, Hive0104, TA2101, Maze Team | Criminal | Russia | – | 2019 | – | – | 9 |
| Mcafee | – | Criminal | – | – | 2016 | 2018 | Dormant | 2 |
| Medusa | Frozen Spider, Medusa Ransomware | Criminal | – | – | 2021 | 2025 | Active | 3 |
| Medusa Group | – | Criminal | – | – | – | 2026 | Active | 3 |
| Medusa Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| MedusaLocker | Medusa (Note: Medusa should not be confused with a similarly named RaaS, which has been available since 2019) | Criminal | – | – | – | – | – | 2 |
| MedusaLocker Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| menuPass | APT10, Purple Typhoon, ATK41, BRONZE RIVERSIDE, G0045, Red Apollo, Stone Panda, TA429, AEON, ChChes, Cicada, Cloud Hopper, CVNX, Evilgrab, Foxmail, Foxtrot, GOLEM, Granite Taurus, happyyongzi, Haymaker, HOGFISH, LIVESAFE, Menupass Team, POTASSIUM, Webmonder | State | China | MSS, Ministry of State Security, Tianjin State Security Bureau | 2017 | 2026 | Active | 8 |
| Meow | – | Criminal | – | – | – | – | – | 2 |
| Metador | – | Targeted, sponsor unknown | – | – | – | 2026 | Active | 6 |
| MIMIC SPIDER | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Mimori | – | Criminal | – | – | – | – | – | 3 |
| Mirage Tiger | – | Tracked, unattributed | – | – | – | – | – | 3 |
| MirrorFace | Operation LiberalFace, Earth Kasha, Operation LiberalFace, MirrorFace, Operation “AkaiRyū” | State | China | – | 2019 | 2026 | Active | 8 |
| Moafee | DragonOK, BRONZE OVERBROOK, G0002, Shallow Taurus | State | China | China | 2014 | 2026 | Active | 5 |
| Mocha Manakin | – | Criminal | – | – | – | – | – | 3 |
| ModernStealer | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| ModifiedElephant | – | Tracked, unattributed | – | – | – | – | – | 6 |
| Mofang | Whitefly, G0103, SectorM04, TEMP.Mimic, ATK 83, Bronze Walker, Superman, Whitefly, Mofang | State | China | China | 2012 | 2026 | Active | 8 |
| Mogilevich | – | Criminal | – | – | – | – | – | 3 |
| Molatori | – | Criminal | – | – | – | – | – | 3 |
| Molerats | TA402, Extreme Jackal, G0021, Operation Molerats, Operation “DustySky”, Operation “DustySky” Part 2, Operation “Molerats”, Operation “Moonlight”, Operation “SneakyPastes”, Operation “TopHat”, Aluminum Saratoga, ATK 89, BLACKSTEM, Gaza cyber gang, Gaza Cybergang, Gaza Hacker Team, Gaza Hackers Team, Molerats, Extreme Jackal, Gaza Cybergang, Moonlight, TAG-CT5 | State | Palestine | Hamas | 2012 | 2026 | Active | 8 |
| MoneyTaker | – | Criminal | Russia | – | 2016 | – | – | 7 |
| Monti | Storm-1194 | Criminal | – | – | – | – | – | 3 |
| Moonstone Sleet | LABYRINTH CHOLLIMA, Storm-1789, Stressed Pungsan | State | North Korea | Lazarus | 2023 | 2026 | Active | 6 |
| Mora_001 | – | Criminal | Russia | – | – | – | – | 3 |
| MORH4x | – | State | Morocco | – | – | – | – | 3 |
| Moses Staff | Marigold Sandstorm, MosesStaff, DEV-0500, DEV-500, G1009, Vengeful Kitten, White Dev 95, Abraham's Ax, abrahams-ax, Abrahams_Ax, Cobalt Sapling, تبر ابراهیم | Criminal | Iran | – | 2021 | 2026 | Active | 13 |
| Moskalvzapoe | TA511, Night Spider, MAN1 | Criminal | – | – | 2018 | – | – | 6 |
| MoustachedBouncer | Storm-1125 | State | Belarus | Belarus | 2014 | 2026 | Active | 11 |
| Mr_Rot13 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| MuddyWater | Mango Sandstorm, ATK51, Earth Vetala, G0069, ITG17, MuddyWater, Seedworm, TEMP.Zagros, Static Kitten, Operation “BlackWater”, Operation “Earth Vetala”, Operation “Quicksand”, SectorD02, Static Kitten, TA450, TEMP.Zagros, UNC3313, ATK 51, Boggy Serpens, Cobalt Ulster, DarkBit, Mango Sandstorm (Microsoft), MERCURY, MUDDY ION, Muddy Water, MUDDYCOAST, MuddyKrill, Seedworm, Static Kitten (CrowdStrike), T-APT-14, Yellow Nix | State | Iran | MOIS, Ministry of Intelligence | 2017 | 2026 | Active | 14 |
| MUMMY SPIDER | Mummy Spider, ATK104, TA542, UNC3443, White Taranis, ATK 104, Gold Crestwood, Mealybug, Mummy Spider, TA542 | Criminal | – | – | 2014 | – | – | 7 |
| MurenShark | Actor210426 | Targeted, sponsor unknown | – | – | – | – | – | 5 |
| Mustang Panda | Camaro Dragon, LuminousMoth, PKPLUG, RedDelta, SmugX, Twill Typhoon, UNC6384, BRONZE PRESIDENT, DEV-0117, G0129, ITG27, Operation “Dianxun”, Operation “SmugX”, Red Lich, TA416, TEMP.Hex, Vertigo Panda, BASIN, BASIN CASTLE, Bronze Fillmore, ClumsyToad, EARTH PRETA, FIREANT, HIVE0154, HoneyMyte, LUMINOUS MOTH, Mustang Panda (CrowdStrike), Mustang Panda, Bronze President, Polaris, STATELY TAURUS, TANTALUM, Twill Typhoon (Microsoft), UNK_SteadySplit | State | China | State-sponsored | 2012 | 2026 | Active | 13 |
| Mustard Tempest | GOLD PRELUDE, DEV-0206, INDRIK SPIDER, TA569, UNC1543, Purple Vallhund | Criminal | – | – | – | 2026 | Active | 7 |
| Mysterious Elephant | APT-K-47 | Targeted, sponsor unknown | – | – | 2023 | – | – | 7 |
| Mythic Likho | Arcane Werewolf | Tracked, unattributed | – | – | – | – | – | 3 |
| N4ughtysecTU | – | Targeted, sponsor unknown | Brazil | – | – | – | – | 3 |
| Naikon | Hellsing, BRONZE GENEVA, BRONZE STERLING, G0019, ITG06, Lotus Panda, Naikon, Lotus Panda, Operation “CameraShy”, OVERRIDE PANDA, PLA Unit 78020, Camerashy, NAIKON CASTLE | State | China | PLA | 2010 | 2026 | Active | 9 |
| Nam3L3ss | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Narketing163 | – | Criminal | – | – | – | – | – | 3 |
| National Intelligence Service (Greece) | Εθνική Υπηρεσία Πληροφοριών | Agency or leak | Greece | – | – | – | – | 2 |
| Natohub | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Nazar | SIG37 | State | Iran | NSA | 2008 | – | – | 6 |
| NB65 | Network Battalion 65 | Criminal | – | – | 2022 | – | – | 6 |
| NEODYMIUM | G0055 | State | Türkiye | – | 2016 | 2026 | Active | 10 |
| NetRunnerPR | – | Criminal | – | – | – | – | – | 3 |
| NewsPenguin | – | Targeted, sponsor unknown | – | – | – | – | – | 5 |
| Nexus Zeta | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Nickel Alley | – | State | North Korea | – | – | – | – | 3 |
| Night Dragon | – | State | China | – | 2009 | 2011 | Dormant | 8 |
| Night Tsunami | DEV-0336, Grey Anqa, NSO Group | Targeted, sponsor unknown | Israel | – | – | – | – | 4 |
| NightEaglecontested | APT-Q-95 | State | United States | US | 2023 | – | – | 3 |
| Nightspire | – | Criminal | – | – | – | – | – | 1 |
| NIMBUS MANTICORE | Bohrium, Smoke Sandstorm, TA455, UNC1549, COBALT SMOKEY, DEV-0056, IMPERIAL KITTEN, Operation “Iranian Dream Job”, TA455, Smoke Sandstorm, Yellow Dev 13 | State | Iran | IRGC, Lazarus | 2021 | 2026 | Active | 8 |
| NineBlog | – | State | China | – | 2013 | – | – | 4 |
| Nitro | Covert Grove, Nitro, Covert Grove | State | China | – | 2011 | 2014 | Dormant | 8 |
| NOCTURNAL SPIDER | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| Noescape | No Escape, Noescape gang, Noescape group, Noescape ransomware | Criminal | – | – | – | – | – | 3 |
| Nokoyawa | – | Criminal | – | – | – | – | – | 2 |
| Nomadic Octopuscontested | APT-C-34, DustSquad, DustSquad, Golden Falcon, G0133, Golden Falcon | State | Russia | – | 2014 | 2026 | Active | 8 |
| NoName057(16) | 05716nnm, Nnm05716, NoName, NoName057, NoName05716 | Hacktivist | Russia | – | – | – | – | 6 |
| NOTROBIN | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Nova RaaS | – | Criminal | – | – | – | – | – | 1 |
| Nullbulge | – | Criminal | – | – | – | – | – | 3 |
| Nwgen Team | Storm-0829, DEV-0829 | Criminal | – | – | – | – | – | 4 |
| NyxarGroup | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| OCT | OctEncrypt | Criminal | – | – | 2008 | 2015 | Dormant | 2 |
| Odyssey Spider | TA558, CapturaTela, Loda | Criminal | – | – | 2018 | – | – | 7 |
| OilAlpha | TAG-41, TAG-62 | State | Yemen | – | 2022 | – | – | 6 |
| OilRig | APT34, CHRYSENE, Greenbug, Hazel Sandstorm, Scarred Manticore, UNC1860, APT 34, ATK40, COBALT GYPSY, DEV-0861, Earth Simnavaz, G0049, Greenbug, Volatile Kitten, Helix Kitten, ITG13, Storm-0861, TA452, Twisted Kitten, Volatile Kitten, ATK 40, Crambus, EUROPIUM, Evasive Serpens, IRN2, OilRig, APT 34, Helix Kitten, Chrysene, SOLAR ION, Yellow Maero | State | Iran | MOIS, Ministry of Intelligence | 2014 | 2026 | Active | 11 |
| Oka Flood | Storm-1679 | Targeted, sponsor unknown | Russia | – | – | – | – | 5 |
| OldGremlin | – | Criminal | Russia | – | 2020 | – | – | 6 |
| OnionDogcontested | APT-C-03 | State | North Korea | Unknown | 2013 | – | – | 7 |
| Operation Armor Piercer | – | State | Pakistan | – | 2020 | 2021 | Dormant | 4 |
| Operation Bandidos | – | Targeted, sponsor unknown | – | – | 2021 | – | – | 3 |
| Operation Black Atlas | – | Criminal | – | – | 2015 | – | – | 3 |
| Operation BugDrop | – | State | Russia | Russian Federation | 2016 | 2017 | Dormant | 6 |
| Operation Cobalt Whisper | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Operation Comando | – | Criminal | – | – | 2018 | – | – | 5 |
| Operation Crimson Palace | – | State | China | – | 2022 | – | – | 3 |
| Operation Digital Eye | – | State | China | – | 2024 | – | – | 3 |
| Operation Domino, Operation Kremlin | Operation Domino, Operation Kremlin, Operation “Domino”, Operation “Kremlin” | State | Russia | – | 2019 | – | – | 3 |
| Operation Electric Powder | – | Targeted, sponsor unknown | – | – | 2016 | 2017 | Dormant | 4 |
| Operation Emmental | Retefe Gang, Retefe Gang, Operation Emmental, Retefe Group | Criminal | Russia | – | 2013 | – | – | 5 |
| Operation Epic Manchego | – | Targeted, sponsor unknown | – | – | 2020 | – | – | 3 |
| Operation ForumTroll | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Operation Ghoul | – | Targeted, sponsor unknown | – | – | 2016 | – | – | 6 |
| Operation Harvest | – | State | China | – | 2016 | – | – | 3 |
| Operation Jacana | – | State | China | – | 2023 | – | – | 3 |
| Operation Layover | – | State | Nigeria | – | 2013 | – | – | 3 |
| Operation Manul | – | State | Kazakhstan | – | 2015 | 2016 | Dormant | 4 |
| Operation Olympic Games | GOSSIPGIRL | State | – | State-sponsored, Equation Group (NSA), CIA and Unit 8200 | 2007 | – | – | 4 |
| Operation Parliament | – | State | – | Unknown | 2017 | – | – | 6 |
| Operation Potao Express | – | Targeted, sponsor unknown | – | – | 2015 | – | – | 3 |
| Operation PseudoManuscrypt | – | State | China | Lazarus | 2021 | – | – | 3 |
| Operation Red Signature | – | State | China | – | 2018 | – | – | 5 |
| Operation RusticWeb | – | State | Pakistan | – | 2023 | – | – | 3 |
| Operation Rusty Flag | – | Targeted, sponsor unknown | – | – | 2023 | – | – | 3 |
| Operation SalmonSlalom | – | State | China | – | 2025 | – | – | 3 |
| Operation Shadow Force | WIP19, Larva-24013, Shadow Force, TA-ShadowCricket | State | China | – | – | – | – | 5 |
| Operation SignSight | – | Targeted, sponsor unknown | – | – | 2020 | – | – | 3 |
| Operation Silent Skimmer | – | Criminal | – | – | 2022 | – | – | 3 |
| Operation SLOW#TEMPEST | – | State | China | – | 2024 | – | – | 3 |
| Operation Spalax | – | Targeted, sponsor unknown | – | – | 2020 | – | – | 3 |
| Operation Tainted Love | – | State | China | – | 2023 | – | – | 3 |
| Operation Titan Rain | – | State | China | State-sponsored, PLA Unit 61398 | 2003 | – | – | 3 |
| Operation Triangulationcontested | – | State | – | – | 2023 | 2023 | Dormant | 6 |
| Operation TunnelSnake | TunnelSnake | State | China | – | 2018 | – | – | 6 |
| Operation WizardOpium | – | State | North Korea | Lazarus | 2019 | – | – | 5 |
| Orangeworm | G0071 | Targeted, sponsor unknown | – | – | 2015 | 2026 | Active | 10 |
| Oro0lxy | Shadow Typhoon, Storm-0062, DarkShadow | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| Orova | – | Criminal | – | – | – | – | – | 3 |
| OurMine | ATK128, ATK 128, TAG-HA10 | Criminal | Saudi Arabia | – | 2016 | – | – | 6 |
| OUTLAW SPIDER | Outlaw Spider | Criminal | – | – | – | – | – | 6 |
| OverFlame | – | Hacktivist | – | – | – | – | – | 3 |
| OVERLORD SPIDER | Overlord Spider, TheDarkOverlord, The Dark Overlord | Criminal | – | – | – | – | – | 5 |
| Pacha Group | – | Criminal | China | – | 2018 | – | – | 8 |
| Packrat | – | Targeted, sponsor unknown | – | – | 2008 | – | – | 6 |
| PALE PANDA | Pale Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| PARINACOTA | Parinacota, Wine Tempest, Wadhrama | Criminal | – | – | 2018 | – | – | 7 |
| ParkingBear | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Pat Bearcontested | APT-C-37, Papa Bear, Racquet Bear, Pat Bear, APT-C-37 | State | Syria | Syrian Electronic Army | 2015 | 2019 | Dormant | 6 |
| Patched Lightning | Storm-0113 | Tracked, unattributed | – | – | – | – | – | 5 |
| Patchwork | Donot Team, Operation HangOver, QUILTED TIGER, VICEROY TIGER, APT-C-09, APT-C-35, ATK11, G0040, Mint Tempest, Operation HangOver, Monsoon, Viceroy Tiger, SectorE02, TG-4410, APTC35, ATK 11, Capricorn Organisation, Chinastrats, Donot, Dropping Elephant, HangOver, Hangover Group, Maha Grass, MONSOON, Neon, Orange Athos, Orange Berserker, Orange Kala, Origami Elephant, Patchwork, Dropping Elephant, Sarit, The Dropping Elephant, Thirsty Gemini, Zinc Emerson | State | India | India | 2010 | 2026 | Active | 11 |
| Payroll Pirates | Storm-2657 | Criminal | United States | – | – | – | – | 6 |
| PayTool | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Pearl Sleet | DEV-0215, LAWRENCIUM | State | North Korea | – | – | – | – | 6 |
| People's Cyber Army of Russia | – | Hacktivist | – | – | – | – | – | 3 |
| PerSwaysion | – | Targeted, sponsor unknown | Vietnam | – | – | – | – | 3 |
| Phantom Taurus | CL-STA-0043, Operation Diplomatic Specter, TGR-STA-0043 | State | China | State-sponsored | 2022 | – | – | 6 |
| PhantomControl | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Phlox Tempest | DEV-0796, Choziosi loader, Chrome Loader, ClickPirate | Criminal | Israel | – | – | – | – | 6 |
| Phobos Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Pickaxe | Prying Libra | Tracked, unattributed | – | – | – | – | – | 4 |
| PittyTiger | APT24, G0011, Operation “The Eye of the Tiger”, Pitty Panda, Pitty Tiger, PittyTiger, Pitty Panda, Temp.Pittytiger | State | China | – | 2011 | 2026 | Active | 6 |
| PIZZO SPIDER | Ambiorx, DD4BC | Targeted, sponsor unknown | United States | – | – | – | – | 5 |
| Planetary Reef | – | Criminal | Indonesia | – | 2020 | – | – | 3 |
| PLATINUMcontested | Fallow Squall, ATK33, G0068, Operation “EasternRoppels”, ATK 33, DeadlyKiss, GINGERSNAP, PARASITE, RUBYVINE, TwoForOne | State | Singapore | – | 2009 | 2026 | Active | 11 |
| Play | Play Ransomware, PlayCrypt | Criminal | – | – | 2022 | 2026 | Active | 4 |
| PLUMP SPIDER | – | Tracked, unattributed | – | – | – | – | – | 1 |
| PlushDaemon | – | State | China | – | 2019 | – | – | 5 |
| POISON CARP | Poison Carp, Evil Eye, Earth Empusa, Red Dev 16, EvilBamboo, Poison Carp, Evil Eye, Sentinel Taurus | State | China | – | 2018 | – | – | 8 |
| Poison Needlescontested | Operation Poison Needles, APT-C-31 | State | Ukraine | – | 2018 | – | – | 7 |
| Poisonous Panda | – | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| PoisonSeed | – | Tracked, unattributed | – | – | – | – | – | 3 |
| POISONUS PANDA | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| POLONIUM | Plaid Rain, G1005, Incendiary Jackal, UNC4453, GREATRIFT | State | Lebanon | MOIS, Ministry of Intelligence | 2022 | 2026 | Active | 12 |
| Poseidon Group | G0033 | State | Brazil | – | 2005 | 2026 | Active | 9 |
| PowerPool | IAmTheKing | State | Russia | – | 2018 | – | – | 8 |
| PREDATOR PANDA | Predator Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| Predatory Sparrow | Indra, UNC4368, Gonjeshk Darand, GonjeshkDarand, Gonjeshke Darande, MeteorExpress, گنجشک درنده | Targeted, sponsor unknown | Iran | – | 2019 | – | – | 8 |
| ProCC | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Prolific Puma | – | Tracked, unattributed | – | – | – | – | – | 3 |
| PROMETHIUM | Magenta Dust, APT-C-41, G0056, Promethium, StrongPity, SmallPity, StrongPity | State | Türkiye | – | 2012 | 2026 | Active | 11 |
| Prophet Spider | GOLD MELODY, UNC961 | Criminal | – | – | – | – | – | 5 |
| Pumpkin Sandstorm | DEV-0146, ZeroCleare | Targeted, sponsor unknown | Iran | – | – | – | – | 1 |
| puNK-003 | – | Targeted, sponsor unknown | North Korea | – | – | – | – | 3 |
| Pusikurac | – | Targeted, sponsor unknown | – | – | 2019 | – | – | 5 |
| Putter Panda | APT2, APT 2, G0024, Group 36, PLA Unit 61486, TG-6952, 4HCrew, MSUpdater, Putter Panda, APT 2, SearchFire, Sulphur | State | China | PLA, Unit 61486 | 2007 | 2026 | Active | 6 |
| Qilin | Agenda, Qilin Gang, Qilin Group, Qilin Ransomware, Qilin Team | Criminal | – | – | 2022 | 2025 | Active | 3 |
| Qilin Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| QTFY | – | State | China | MSS, PLA | – | – | – | 3 |
| Quantum | – | Criminal | – | – | 2014 | 2014 | Dormant | 3 |
| Quantum Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| R00tK1T | – | Targeted, sponsor unknown | Israel | – | – | – | – | 3 |
| Radar | – | Criminal | – | – | 2017 | 2017 | Dormant | 2 |
| RaHDit | Russian Angry Hackers Did It | State | Russia | – | – | – | – | 3 |
| Rampant Kitten | – | State | Iran | – | 2014 | – | – | 5 |
| Rancor | G0075, Rancor Group, Rancor Taurus | State | China | China | 2017 | 2026 | Active | 10 |
| RansomHouse | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Ransomhouse Group | – | Criminal | – | – | – | – | – | 1 |
| RansomHub | RansomHub RaaS | Criminal | – | – | 2024 | 2025 | Active | 3 |
| RansomHub Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| RansomVC | Ransomed, Ransomed group, Ransomed.vc, RansomedVC, RansomForums | Criminal | – | – | – | – | – | 4 |
| RATicate | – | Targeted, sponsor unknown | – | – | 2019 | – | – | 4 |
| RATPAK SPIDER | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Rebel Jackal | ATK130, Fallaga team, FallagaTeam | Targeted, sponsor unknown | Tunisia | – | – | – | – | 4 |
| Reckless Rabbit | – | Criminal | – | – | – | – | – | 3 |
| Red Dev 17 | – | State | China | – | – | – | – | 3 |
| Red Dev 61 | UNC5221, UTA0178, ARMORY CASTLE, UNC5221, UTA0178 | State | China | – | 2022 | – | – | 7 |
| Red Menshen | Earth Bluecrow, Red Dev 18 | Targeted, sponsor unknown | China | – | – | – | – | 6 |
| Red Nue | LuoYu | Targeted, sponsor unknown | China | – | – | – | – | 5 |
| Red-Lili | – | Tracked, unattributed | – | – | – | – | – | 3 |
| RedAlpha | Red Dev 3, DeepCliff | State | China | State-sponsored, possibly PLA and/or Nanjing Qinglan Information Technology Co. Ltd | 2015 | – | – | 8 |
| RedCurl | Earth Kapre, GOLD BLADE, Red Wolf | Targeted, sponsor unknown | – | – | 2018 | 2026 | Active | 6 |
| RedEcho | – | State | China | State-sponsored | 2020 | 2026 | Active | 8 |
| RedGolf | – | State | China | MSS, Ministry of State Security | 2014 | – | – | 5 |
| RedKitten | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| RedNovember | Storm-2077, TAG-100 | State | China | State-sponsored | 2024 | – | – | 8 |
| RedStinger | Bad Magic, Bad Magic, RedStinger, CloudWizard | Targeted, sponsor unknown | – | – | 2020 | – | – | 7 |
| REF2924 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| REF5961 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| REF7707 | CL-STA-0049, Jewelbug | State | China | – | – | – | – | 4 |
| REF8801 | – | Tracked, unattributed | – | – | 2026 | – | – | 3 |
| ResumeLooters | – | Criminal | – | – | 2023 | – | – | 5 |
| Returned Libra | 8220 Gang, Water Sigbin, 8220 Mining Group | Criminal | China | – | 2017 | – | – | 6 |
| RevengeHotels | – | Targeted, sponsor unknown | – | – | 2015 | – | – | 7 |
| REvil | GrandCrab, Sodin, Sodinokibi, Water Mare | Criminal | Russia | – | 2019 | 2021 | Dormant | 2 |
| RGB-TEAM | – | Hacktivist | – | RGB | – | – | – | 3 |
| rhysida | – | Criminal | – | – | – | – | – | 2 |
| Rhysida Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| RIDDLE SPIDER | Riddle Spider, Avaddon Team | Criminal | – | – | 2020 | – | – | 6 |
| RipperSec | – | Hacktivist | Malaysia | – | – | – | – | 3 |
| Roaming Mantis | Roaming Mantis Group, Shaoye | Criminal | – | – | 2017 | – | – | 8 |
| Roaming Tiger | CTG-7273, Bronze Woodland, Rotten Tomato | State | China | – | 2014 | 2014 | Dormant | 8 |
| Rocke | Iron Group, G0106, Aged Libra, Iron Cyber Group, Rocke, Iron Group | Criminal | China | – | 2018 | 2026 | Active | 7 |
| RomCom | Storm-0671, Storm-0978, TA829, Tropical Scorpius, Void Rabisu, DEV-0978, UAC-0142, UAC-0180, UAT-5647, UNC2596, CIGAR, Cuba, DEB-0978, Storm-0671 (Microsoft), Storm-0978 (Microsoft), Tropical Scorpius, RomCom, Tropicalscorpius, Underground Team | State | Russia | – | 2019 | – | – | 9 |
| Royal | Gold Souvenir | Criminal | – | – | – | – | – | 2 |
| Royal Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| RTM | G0048 | Criminal | Russia | – | 2015 | 2026 | Active | 8 |
| RUBYCARP | – | Targeted, sponsor unknown | Romania | – | – | – | – | 4 |
| RuskiNet | – | Hacktivist | Russia | – | – | – | – | 3 |
| Ruthless Rabbit | – | Criminal | Russia | – | – | – | – | 3 |
| Ruza Flood | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Saad Tycoon | – | Tracked, unattributed | – | – | – | – | – | 3 |
| SABRE PANDA | Sabre Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| Safe | – | State | China | – | 2013 | 2013 | Dormant | 5 |
| SafePay Ransomware Actors | – | Criminal | – | – | – | – | – | 1 |
| Sagrid | Storm-0324, DEV-0324, TA543 | Criminal | Russia | – | – | – | – | 6 |
| Saint Bear | SaintBear, Bleeding Bear, Cadet Blizzard, DEV-0587, EMBER BEAR, Lorec Bear, Storm-0587, TA471, UAC-0056, UNC2589, FROZENVISTA, Lorec53, Nascent Ursa, Nodaria | State | Russia | – | 2022 | 2026 | Active | 7 |
| Salt Typhoon | Earth Estries, FamousSparrow, GhostEmperor, Salt Typhoon (Deprecated), Operator Panda, UNC2286, RedMike, Salt Typhoon, GhostEmperor | State | China | State-sponsored, Ministry of State Security | 2019 | 2026 | Active | 8 |
| SALTY SPIDER | Salty Spider, Kookoo, Kukacka, KuKu, SaliCode, Sality, SalLoad | Criminal | Russia | – | 2003 | – | – | 7 |
| SAMBASPIDER | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| SandCatcontested | APT-C-32, SandCat - APT-C-32 | State | Uzbekistan | State-sponsored, Military Unit 02616 | 2018 | – | – | 8 |
| Sandman | – | State | China | – | 2022 | – | – | 4 |
| Sandman APT | – | State | China | China | – | – | – | 3 |
| Sands Casino | – | Targeted, sponsor unknown | Iran | – | – | – | – | 4 |
| Sandworm Teamcontested | IRIDIUM, Sandworm, Seashell Blizzard, TeleBots, APT 44, APT-C-13, APT44, Blue Echidna, CTG-7263, G0034, IRON VIKING, Sandworm Team, Iron Viking, Voodoo Bear, TEMP.Noble, UAC-0082, UAC-0113, UAC-0125, UAC-0133, UAC-0145, Voodoo Bear, ATK 14, BE2, BlackEnergy (Group), BlackEnergy Lite, ELECTRUM, FROZENBARENTS, Grey Tornado, PHANTOM, Quedagh, Razing Ursa, SANDWORM RELIC | State | Russia | GRU, Unit 26165, Unit 74455 | 2009 | 2026 | Active | 12 |
| Sath-ı Müdafaa | Sath-ı Müdafaa | Hacktivist | Türkiye | – | – | – | – | 4 |
| ScamClub | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Scarab | UAC-0026 | State | China | – | 2012 | – | – | 7 |
| Scarlet Mimic | G0029, Golfing Taurus | State | China | – | 2015 | 2026 | Active | 11 |
| SCARLETEEL | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Scarlettgroup | – | Criminal | – | – | – | – | – | 3 |
| Scattered Canary | – | Criminal | Nigeria | – | – | – | – | 3 |
| Scattered Lapsus Hunters | Scattered Lapsus$ Hunters | Criminal | – | – | – | – | – | 3 |
| Scattered Spider | Muddled Libra, Octo Tempest, DEV-0875, DEV-0971, G1015, Storm-0875, Storm-0971, UNC3944, 0ktapus, LUCR-3, Octo Tempest (Microsoft), Oktapus, Roasted 0ktapus, Scatter Swine, Scattered Spider (CrowdStrike), Scattered Swine, Star Fraud, Starfraud | Targeted, sponsor unknown | – | – | 2022 | 2026 | Active | 13 |
| ScreamedJungle | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Scripted Sparrow | – | Tracked, unattributed | – | – | – | – | – | 3 |
| SCULLY SPIDER | Scully Spider, TA547, Scully Spider, TA547 | Criminal | – | – | 2017 | – | – | 4 |
| Sea Turtle | Marbled Dust, Cosmic Wolf, UNC1326, SILICON, Teal Kurma | State | Türkiye | – | 2017 | 2026 | Active | 12 |
| Seashell Blizzard Subgroup | – | State | Russia | GRU, Military Intelligence, Unit 74455 | – | – | – | 1 |
| Sefid Flood | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| SEXi | – | Criminal | – | – | – | – | – | 3 |
| Shadow Academy | – | Targeted, sponsor unknown | – | – | 2020 | – | – | 3 |
| Shadow Campaigns | UNC6619, TGR-STA-1030 | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Shadow Network | – | State | China | – | 2010 | – | – | 6 |
| SHADOW-AETHER-015 | – | Criminal | – | – | – | – | – | 3 |
| Shadow-Earth-053 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| SHADOW-VOID-042 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| SHADOW-WATER-063 | – | Criminal | Brazil | – | – | – | – | 3 |
| shadowbyt3 | ShadowByt3$ | Criminal | – | – | – | – | – | 3 |
| ShadowSyndicate | – | Criminal | – | – | – | – | – | 4 |
| ShadyPanda | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| ShaggyPanther | – | State | China | – | 2018 | – | – | 5 |
| Shahid Hemmat | – | Targeted, sponsor unknown | Iran | IRGC | – | – | – | 3 |
| Shamoon Group | Cutting Sword of Justice | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| SHARK SPIDER | Shark Spider | Criminal | Russia | – | 2011 | – | – | 7 |
| SharpPanda | Sharp Panda, Sharp Dragon, Sharp Dragon (CHKPT), SharpPanda, Sharp Dragon | State | China | – | 2018 | – | – | 6 |
| ShinyHunters | UNC5537, Storm-3127, UNC6240, White Dev 100, Bling Libra, Shiny Hunters, ShinyCorp | Criminal | Canada | – | 2020 | 2026 | Active | 11 |
| ShroudedSnooper | – | Targeted, sponsor unknown | – | – | 2023 | – | – | 5 |
| SideCopy | TAG-140, Fringe Leopard, G1008, UNC2269, White Dev 55, Mocking Draco | State | Pakistan | – | 2019 | 2026 | Active | 10 |
| Sidewinder | Razor Tiger, APT-C-17, APT-C-24, APT-Q-39, G0121, BabyElephant, GroupA21, Hardcore Nationalist, HN2, Rattlesnake, SideWinder, Rattlesnake, T-APT-04 | State | India | India | 2012 | 2026 | Active | 9 |
| SiegedSec | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Silence | Silence group, G0091, TEMP.TruthTeller, Whisper Spider, ATK 86, Contract Crew, Silence, Contract Crew, TAG-CR8 | Criminal | – | – | 2016 | 2026 | Active | 8 |
| Silent Librarian | Mabna Institute, COBALT DICKENS, DEV-0118, G0122, ITG22, Scholar Kitten, TA407, TA4900, Academic Serpens, Mabna Institute Group, Mabna Institute, Cobalt Dickens, Silent Librarian, SilentLibrarian, Yellow Nabu | State | Iran | IRGC, Islamic Revolutionary Guard Corps | 2013 | 2026 | Active | 10 |
| SilitNetwork | – | Tracked, unattributed | – | – | – | – | – | 3 |
| SILKFIN AGENCY | – | Agency or leak | – | – | – | – | – | 3 |
| SilkParasite | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| SilkSpecter | – | Criminal | China | – | – | – | – | 3 |
| SilverTerrier | – | State | Nigeria | – | – | 2026 | Active | 6 |
| Sima | – | State | Iran | – | 2016 | – | – | 7 |
| SINGING SPIDER | Singing Spider | Tracked, unattributed | – | – | – | – | – | 7 |
| SingularityMD | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Sinobi | – | Criminal | – | – | – | – | – | 3 |
| SkidSec | SkidSec Leaks | Tracked, unattributed | – | – | – | – | – | 3 |
| SLIME29 | – | State | China | China | – | – | – | 4 |
| SLIME88 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Slingshot | – | State | – | – | 2012 | – | – | 8 |
| SlopAds | – | Criminal | – | – | – | – | – | 3 |
| SloppyLemming | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Smishing Triad | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| SmokingDro | TA516 | Criminal | – | – | 2016 | – | – | 7 |
| SMOKY SPIDER | Smoky Spider | Criminal | – | – | 2011 | – | – | 6 |
| Snake Wine | – | State | China | – | 2016 | – | – | 8 |
| Snatch | Snatch gang, Snatch group, Snatch ransomware | Criminal | – | – | – | – | – | 2 |
| SneakyChef | – | State | China | – | – | – | – | 3 |
| SneakyCheff | Storm-1982, UNK_SweetSpecter | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| SNOWGLOBE | Snowglobe, ATK8, SIG20, Animal Farm, ATK 8, Snowglobe, Animal Farm | State | France | State-sponsored | 2011 | – | – | 7 |
| SnowSoul | – | Criminal | – | – | – | – | – | 3 |
| SOLAR SPIDER | Solar Spider | Tracked, unattributed | – | – | – | – | – | 6 |
| Solntsepek | – | State | Russia | GRU | – | – | – | 3 |
| SongXY | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Sowbug | G0054 | State | – | Unknown | 2015 | 2026 | Active | 10 |
| Sp1d3r | – | Tracked, unattributed | – | – | – | – | – | 3 |
| SpaceBears | space bears | Criminal | Russia | – | – | – | – | 3 |
| Special Communications Service of Russia | Служба специальной связи и информации | Agency or leak | Russia | – | – | – | – | 2 |
| Sphinx | APT-C-15 | Targeted, sponsor unknown | – | – | 2014 | – | – | 3 |
| SPICY PANDA | Spicy Panda | Targeted, sponsor unknown | China | – | – | – | – | 6 |
| SPIKEDWINE | – | Tracked, unattributed | – | – | – | – | – | 3 |
| STAC4749 | – | Criminal | – | – | 2026 | – | – | 3 |
| STAC5143 | – | Criminal | – | – | – | – | – | 3 |
| Star Blizzardcontested | Callisto, Callisto Group, Cold River, DNSpionage, Blue Callisto, Gossamer Bear, IRON FRONTIER, TA446, TAG-53, UNC4057, BlueCharlie, Calisto, Cobalt Edgewater, COLD RELIC, COLDRIVER, Grey Pro, Mythic Ursa, Nahr el bared, Nahr Elbard, Reuse Team, SEABORGIUM | State | Russia | State-sponsored, FSB Centre 18: Centre for Information Security (TsIB) | 2013 | 2026 | Active | 11 |
| Stargazer Goblin | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Starry Addax | – | Tracked, unattributed | – | – | – | – | – | 3 |
| State Security Service (Georgia) | სახელმწიფო უშიშროების სამსახური | Agency or leak | – | – | – | – | – | 2 |
| Stealth Falcon | Daffodil Gust, G0038, Fruity Armor, FruityArmor, Project Raven, Stealth Falcon, FruityArmor | State | United Arab Emirates | United Arab Emirates | 2012 | 2026 | Active | 13 |
| Storm-0249 | DEV-0249 | Tracked, unattributed | – | – | – | – | – | 5 |
| Storm-0259 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-0381 | DEV-0381 | Criminal | Russia | – | – | – | – | 3 |
| Storm-0408 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-0473 | UNC2849 | Targeted, sponsor unknown | Kazakhstan | – | – | – | – | 3 |
| Storm-0485 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-0494 | – | Criminal | – | – | – | – | – | 3 |
| Storm-0501 | – | Criminal | – | – | – | 2026 | Active | 8 |
| Storm-0506 | – | Criminal | – | – | – | – | – | 4 |
| Storm-0539 | – | Criminal | – | – | – | – | – | 5 |
| STORM-0817 | – | Targeted, sponsor unknown | – | – | – | – | – | 1 |
| Storm-0826 | – | Criminal | – | – | – | – | – | 3 |
| Storm-0835 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Storm-0844 | – | Criminal | – | – | – | – | – | 1 |
| Storm-0867 | DEV-0867 | Targeted, sponsor unknown | Egypt | – | – | – | – | 3 |
| Storm-1044 | DEV-1044 | Criminal | – | – | – | – | – | 3 |
| Storm-1099 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Storm-1101 | DEV-1101 | Tracked, unattributed | – | – | – | – | – | 5 |
| Storm-1113 | APOTHECARY SPIDER | Criminal | – | – | – | – | – | 6 |
| Storm-1133 | – | Targeted, sponsor unknown | Palestine | – | – | – | – | 3 |
| Storm-1152 | – | Criminal | Vietnam | – | – | – | – | 5 |
| Storm-1167 | DEV-1167 | Targeted, sponsor unknown | Indonesia | – | – | – | – | 3 |
| Storm-1175 | – | Criminal | China | – | – | – | – | 6 |
| Storm-1249 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-1283 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Storm-1286 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Storm-1295 | DEV-1295 | Tracked, unattributed | – | – | – | – | – | 3 |
| Storm-1575 | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Storm-1607 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-1674 | – | Criminal | – | – | – | – | – | 5 |
| Storm-1747 | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Storm-1811 | GOLD REBELLION, Storm-1811 (Deprecated), UNC4393, CURLY SPIDER, WANDERING SPIDER, White Dev 115, Black Basta, Black_Basta, BlackBasta, Cardina, Cardinal, Curly Spider (CrowdStrike), Dark Scorpius, Lockean, STAC5777, Storm-1811 (Microsoft) | Criminal | – | – | – | 2026 | Active | 9 |
| Storm-1865 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-1977 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| Storm-2035 | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| Storm-2139 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Storm-2227 | – | Tracked, unattributed | – | – | – | – | – | 1 |
| Storm-2372 | – | State | Russia | – | – | – | – | 5 |
| Storm-2470 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Storm-2561 | – | Criminal | – | – | – | – | – | 2 |
| Storm-2755 | – | Criminal | – | – | – | – | – | 3 |
| Storm-2945 | – | Tracked, unattributed | – | – | – | – | – | 5 |
| Storm-2949 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Storm-2992 | – | Criminal | – | – | 2026 | – | – | 4 |
| Stormous | – | Targeted, sponsor unknown | – | – | – | – | – | 2 |
| Stridercontested | ProjectSauron, APT-C-16, G0041, Project Sauron, Sauron, Strider, ProjectSauron | State | United States | United States | 2011 | 2026 | Active | 8 |
| StucxTeam | – | Hacktivist | – | – | – | – | – | 3 |
| Suckfly | APT22, BRONZE OLIVE, G0039, Group 46, Barista | State | China | – | 2014 | 2026 | Active | 8 |
| SunCrypt Gang | – | Criminal | – | – | 2019 | – | – | 3 |
| Sunglow Blizzard | DEV-0665 | Targeted, sponsor unknown | Russia | – | – | – | – | 5 |
| Swan Vector | – | Tracked, unattributed | – | – | – | – | – | 3 |
| SWEED | Sweed | Targeted, sponsor unknown | – | – | 2017 | – | – | 7 |
| SweetSpecter | – | State | China | – | – | – | – | 1 |
| SYLHET GANG-SG | – | Hacktivist | – | – | – | – | – | 3 |
| TA2536 | – | Targeted, sponsor unknown | Nigeria | – | – | – | – | 3 |
| TA2541 | Aviator Spider | Targeted, sponsor unknown | – | – | 2017 | 2026 | Active | 9 |
| TA2552 | – | Targeted, sponsor unknown | – | – | 2019 | – | – | 5 |
| TA2723 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| TA2725 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| TA419 | – | Targeted, sponsor unknown | – | – | 2025 | – | – | 3 |
| TA459 | G0062 | State | China | – | 2017 | 2026 | Active | 9 |
| TA482 | – | Targeted, sponsor unknown | Türkiye | – | – | – | – | 4 |
| TA4903 | – | Criminal | – | – | – | – | – | 3 |
| TA4922 | – | Criminal | China | – | – | – | – | 3 |
| TA505 | Cl0p, DEV-0950, FIN11, GOLD EVERGREEN, GOLD RIVERVIEW, Lace Tempest, Monty Spider, Spandex Tempest, ATK103, G0092, Graceful Spider, Operation “Cyclone”, Operation “Tovar”, Operation “Trident Breach”, SectorJ04, TEMP.Warlock, UNC902, ATK 103, CHIMBORAZO, Chubby Scorpius, Clop, Dudear, Gold Tahoe, Hive0065, RAZOR COMET, SectorJ04 Group, TA505, Graceful Spider, Gold Evergreen, The Business Club | Criminal | Russia | – | 2006 | 2026 | Active | 12 |
| TA530 | – | Criminal | China | – | 2016 | – | – | 6 |
| TA551 | GOLD CABIN, ATK236, G0127, Monster Libra, Shakthak, Shathak, TA551, Shathak | Criminal | Russia | – | 2016 | 2026 | Active | 6 |
| TA554 | TH-163 | Criminal | – | – | 2017 | – | – | 7 |
| TA555 | – | Criminal | – | – | 2018 | – | – | 8 |
| TA570 | DEV-0450, UNC2633 | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| TA571 | – | Criminal | – | – | – | – | – | 4 |
| TA575 | – | Criminal | – | – | – | – | – | 5 |
| TA577 | UNC2500, Hive0118 | State | Russia | – | – | 2026 | Active | 6 |
| TA578 | Honey Spider | Targeted, sponsor unknown | – | – | – | 2026 | Active | 6 |
| TA579 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| TA584 | Storm-0900 | Tracked, unattributed | – | – | – | – | – | 3 |
| TA800 | – | Criminal | – | – | – | – | – | 4 |
| TAG-28 | – | State | China | State-sponsored | 2021 | – | – | 5 |
| TAG-38 | – | State | China | State-sponsored | 2021 | – | – | 3 |
| TAG-56 | – | Targeted, sponsor unknown | Iran | – | – | – | – | 3 |
| Targetcompany | – | Criminal | – | – | – | – | – | 2 |
| TaskMasters | BlueTraveller | State | China | – | 2010 | – | – | 7 |
| Team-Xecuter | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Team46 | TaxOff | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| TeamPCP | Altered Spider, Storm-2999, UNC6780, CanisterWorm, DeadCatx3, PCPCat, SHADOW-WATER-058, ShellForce | Criminal | – | – | – | 2026 | Active | 7 |
| TeamSpy Crew | Anger Bear, SIG39, Team Bear, Iron Lyric, TeamSpy | State | Russia | Russian Federation | 2010 | – | – | 7 |
| TeamTNT | G0139, Adept Libra | Targeted, sponsor unknown | – | – | – | 2026 | Active | 7 |
| TeamXRat | CorporacaoXRat, CorporationXRat | Criminal | Brazil | – | – | – | – | 4 |
| Teleboyi | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Telegram | – | Criminal | – | – | 2022 | 2022 | Dormant | 2 |
| TEMP_Heretic | Operation EmailThief, Operation EmailThief, TEMP_Heretic | State | China | – | 2021 | – | – | 5 |
| TEMP.Veles | ATK91, G0088, ATK 91, TRISIS, Triton, TRITON Group, XENOTIME | State | Russia | State-sponsored, Central Scientific Research Institute of Chemistry and Mechanics | 2014 | 2026 | Active | 12 |
| Tempting Cedar Spyware | – | State | Lebanon | – | 2015 | – | – | 4 |
| TERBIUM | Terbium, Disttrack, Shamoon | Targeted, sponsor unknown | – | – | 2012 | 2018 | Dormant | 9 |
| Termite Ransomware Operators | – | Criminal | – | – | – | – | – | 1 |
| TEST PANDA | Test Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| TetrisPhantom | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| The Big Bang | – | Targeted, sponsor unknown | – | – | 2017 | – | – | 6 |
| The Gentlemen | GOLD SHERWOOD, Storm-2697 | Criminal | – | – | – | 2026 | Active | 6 |
| The Shadow Brokers | Shadow Brokers, ShadowBrokers, The ShadowBrokers, TSB | Agency or leak | United States | NSA | 2016 | – | – | 6 |
| The White Company | G0089, Operation “Shaheen” | State | – | State-sponsored | 2017 | 2026 | Active | 5 |
| TheHatman | – | Tracked, unattributed | – | – | – | – | – | 3 |
| TheWizards | – | State | China | – | 2022 | – | – | 5 |
| Thor | VantaCore | Criminal | Ukraine | – | – | – | – | 3 |
| Threat Actor 888 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Threat Group-1314 | G0028, TG-1314 | Targeted, sponsor unknown | – | – | – | 2026 | Active | 4 |
| Threat Group-3390 | APT 6, APT27, APT6, Circle Typhoon, Emissary Panda, Linen Typhoon, Mikroceen, Operation DRBControl, TA428, TiltedTemple, UNC215, Vicious Panda, APT 27, BRONZE UNION, Colourful Panda, DEV-0322, Earth Smilodon, G0027, Group 35, Iron Tiger, Operation “DRBControl”, Operation “Iron Tiger”, Operation “LagTime IT”, Operation “PZChao”, Operation “SpoiledLegacy”, Operation “StealthyTrident”, Panda, Red Phoenix, TEMP.Hippo, TG-3390, 1.php Group, ATK 15, BOWSER, Bronze Dudley, Budworm, Emissary Panda, APT 27, LuckyMouse, Bronze Union, GreedyTaotie, Hippo, IODINE, Iron Taurus, Lucky Mouse, LuckyMouse, SHORE CASTLE, SixLittleMonkeys, ThunderCats, Wekby2, ZipToken | State | China | Unknown | 2010 | 2026 | Active | 12 |
| Threatsec | – | Criminal | – | – | – | – | – | 3 |
| Thrip | ATK78, G0076 | State | – | Unknown | – | 2026 | Active | 5 |
| TianWu | – | State | China | China | – | – | – | 4 |
| TIDRONE | Earth Ammit, VENOM | State | China | – | 2022 | – | – | 6 |
| TINY SPIDER | Tiny Spider | Criminal | – | – | 2015 | – | – | 6 |
| ToddyCat | Storm-0247, Operation “Stayin’ Alive”, Toddy Cat, Websiic | State | China | – | 2020 | 2026 | Active | 12 |
| Tomato Tempest | SPURR, Vatet | Tracked, unattributed | – | – | – | – | – | 1 |
| Tomiris | – | Targeted, sponsor unknown | – | – | 2020 | – | – | 3 |
| Tonto Team | Copper Typhoon, BRONZE HUNTLEY, Earth Akhlut, G0131, Karma Panda, Operation “Bitter Biscuit”, PLA Unit 65017, Red Beifang, TAG-74, Tonto Team, HartBeat, Karma Panda, Bisonal (malware), CactusPete, COPPER, HartBeat, HeartBeat, LONE CASTLE, Lone Ranger, LoneRanger, Sharp-R | State | China | State-sponsored, Shenyang Military Region Technical Reconnaissance Bureau, possibly Unit 65017 | 2009 | 2026 | Active | 13 |
| Tortilla | – | Criminal | – | – | 2021 | – | – | 3 |
| TOXCAR CYBER TEAM | – | Criminal | – | – | – | – | – | 3 |
| TOXIC PANDA | Toxic Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| TRACER KITTEN | Tracer Kitten | State | Iran | – | 2020 | – | – | 7 |
| Transparent Tribe | Operation C-Major, Storm-0156, APT 36, APT-C-56, APT36, COPPER FIELDSTONE, Earth Karkaddan, G0134, Mythic Leopard, Operation “C-Major”, Operation “Honey Trap”, Operation “Transparent Tribe”, TEMP.Lapis, C-Major, Green Havildar, Opaque Draco, ProjectM, SideCopy, STEPPY-KAVACH, TMP.Lapis, Transparent Tribe, APT 36 | State | Pakistan | Pakistan | 2013 | 2026 | Active | 9 |
| TridentLocker | – | Criminal | – | – | – | – | – | 3 |
| Trigona | – | Criminal | – | – | – | – | – | 2 |
| TRIPLESTRENGTH | – | Criminal | – | – | – | – | – | 4 |
| Trojan | BrainCrypt | Criminal | – | – | 2011 | 2021 | Dormant | 2 |
| Tropic Trooper | APT23, APT 23, Earth Centaur, G0081, Operation “Tropic Trooper”, Pirate Panda, Red Orthrus, Bronze Hobart, Iron, KeyBoy, Tropic Trooper, Pirate Panda, APT 23, KeyBoy | State | China | State-sponsored | 2011 | 2026 | Active | 7 |
| Tstark | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| TurkHackTeam | Turk Hack Team | Targeted, sponsor unknown | Türkiye | – | – | – | – | 6 |
| Turla | Boulder Bear, Secret Blizzard, White Bear, APT-C-29, ATK13, Blue Python, CTG-8875, G0010, Group 88, Group88, IRON HUNTER, ITG12, Operation “Epic Turla”, Operation “Moonlight Maze”, Operation “Penguin Turla”, Operation “Satellite Turla”, Operation “Skipper Turla”, Operation “Turla Mosquito”, Operation “WITCHCOVEN”, SIG15, SIG2, SIG23, TAG-0530, Turla, Waterbug, Venomous Bear, UAC-0003, UAC-0024, UAC-0144, UNC4210, Venomous Bear, White Atlas, ATG26, ATK 13, BELUGASTURGEON, Hippo Team, Iron Pioneer, Krypton, Makersmark, Minime, Pacifier APT, Pensive Ursa, Pfinet, Popeye, Skipper Turla, Snake, SUMMIT, TAG_0530, Turla - APT-C-29, Turla Group, TURLA RELIC, Turla Team, Turla, Waterbug, Venomous Bear, Group 88, Uroburos, Waterbug, WhiteBear, Witchcoven, Wraith, Турла | State | Russia | FSB | 1996 | 2026 | Active | 16 |
| Twisted Panda | – | State | China | – | 2021 | – | – | 4 |
| TwoSail Junk | Operation Poisoned News, Operation Poisoned News, TwoSail Junk, Poisoned News | State | China | – | 2020 | – | – | 7 |
| UAC-0006 | – | Criminal | – | – | – | – | – | 5 |
| UAC-0050 | – | Targeted, sponsor unknown | – | – | 2023 | 2023 | Dormant | 6 |
| UAC-0094 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| UAC-0098 | – | Targeted, sponsor unknown | – | – | – | – | – | 1 |
| UAC-0099 | – | Targeted, sponsor unknown | – | – | 2023 | 2023 | Dormant | 6 |
| UAC-0102 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UAC-0149 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0154 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UAC-0184 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UAC-0185 | UNC4221 | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0194 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| UAC-0215 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0219 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0226 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0227 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0239 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0241 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAC-0245 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| UAT-10147 | – | Criminal | China | – | – | – | – | 3 |
| UAT-10362 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UAT-10608 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| UAT-11473 | – | Targeted, sponsor unknown | – | – | 2026 | – | – | 3 |
| UAT-11795 | – | Criminal | Russia | – | – | – | – | 3 |
| UAT-6275 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAT-6382 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| UAT-7810 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| UAT-8099 | – | Criminal | China | – | – | – | – | 3 |
| UAT-8302 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| UAT-8616 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UAT-8837 | – | State | China | – | – | – | – | 3 |
| UAT-9244 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| UAT-9686 | – | State | China | – | – | – | – | 4 |
| UAT-9921 | VoidLink Operator | Targeted, sponsor unknown | China | – | – | – | – | 4 |
| Ukrainian Cyber Alliance | UCA | Targeted, sponsor unknown | Ukraine | – | – | – | – | 3 |
| UltraRank | – | Criminal | – | – | 2015 | – | – | 3 |
| UNC1088 | RAVINE CASTLE | State | China | – | – | – | – | 3 |
| UNC2447 | – | Criminal | – | – | 2020 | – | – | 6 |
| UNC2465 | – | Criminal | – | – | – | – | – | 5 |
| UNC2529 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UNC2565 | Hive0127 | Criminal | – | – | – | – | – | 3 |
| UNC2659 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UNC2717 | – | State | China | – | – | – | – | 4 |
| UNC2814 | DARK CASTLE | State | China | – | – | – | – | 3 |
| UNC2891 | – | Criminal | – | – | 2020 | 2022 | Dormant | 5 |
| UNC3569 | – | State | China | – | – | – | – | 3 |
| UNC3784 | – | State | China | – | – | – | – | 2 |
| UNC3886 | Fire Ant | State | China | – | 2021 | 2026 | Active | 9 |
| UNC3890 | – | Targeted, sponsor unknown | Iran | – | – | – | – | 5 |
| UNC3966 | – | Criminal | – | – | – | – | – | 1 |
| UNC3973 | – | Criminal | – | – | – | – | – | 4 |
| UNC4191 | – | State | China | – | 2022 | – | – | 5 |
| UNC4487 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNC4536 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UNC4540 | – | State | China | – | – | – | – | 3 |
| UNC4841 | SLIME57 | State | China | – | – | – | – | 5 |
| UNC4990 | – | Criminal | Italy | – | – | – | – | 3 |
| UNC5266 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UNC5291 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNC5325 | – | State | China | – | – | – | – | 3 |
| UNC5330 | – | State | China | – | – | – | – | 4 |
| UNC5337 | – | State | China | – | – | – | – | 3 |
| UNC5342 | – | Targeted, sponsor unknown | North Korea | – | – | – | – | 3 |
| UNC5820 | CL-STA-0954 | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UNC6032 | – | State | Vietnam | – | – | – | – | 3 |
| UNC6040 | Storm-2581 | Criminal | – | – | – | – | – | 4 |
| UNC6148 | – | Criminal | – | – | – | – | – | 3 |
| UNC6201 | – | State | China | – | – | – | – | 3 |
| UNC6293 | – | State | Russia | – | – | – | – | 3 |
| UNC6353 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNC6395 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| UNC6426 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UNC6485 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UNC6508 | – | State | China | – | – | – | – | 3 |
| UNC6671 | – | Criminal | – | – | – | – | – | 3 |
| UNC6691 | – | Criminal | – | – | – | – | – | 3 |
| UNC6692 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UNC6748 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| UNC7017 | – | Targeted, sponsor unknown | – | – | 2026 | – | – | 3 |
| UNC7228 | – | Targeted, sponsor unknown | – | – | 2026 | – | – | 1 |
| UNC788 | – | Targeted, sponsor unknown | – | – | – | 2026 | Active | 1 |
| Unfading Sea Haze | – | State | China | – | 2018 | – | – | 6 |
| UNG0002 | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNG0901 | Operation CargoTalon, Unknown-Group-901 | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNION PANDA | Union Panda | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| UNION SPIDER | Union Spider | Targeted, sponsor unknown | Russia | – | – | – | – | 7 |
| Unit 8200 | SIG35, Duqu 2.0, Duqu Group, Unit8200 | State | Israel | Unit 8200 | – | – | – | 6 |
| UNK_AcademicFlare | – | State | Russia | – | – | – | – | 3 |
| UNK_DropPitch | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNK_FistBump | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| UNK_RemoteRogue | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| UNK_SparkyCarp | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Unknown | – | Criminal | – | – | 2023 | 2023 | Dormant | 3 |
| Unnamed Actor | – | Agency or leak | China | China | – | – | – | 3 |
| Unsafe | Unsafe gang, Unsafe group, Unsafe ransomware | Criminal | – | – | – | – | – | 2 |
| UnsolicitedBooker | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Urpage | – | State | – | State-sponsored | 2018 | – | – | 6 |
| USDoD | NetSec, Operation “Data Breach”, NetSec, USDoD, ScarFace_TheOne | Criminal | Spain | – | 2020 | – | – | 5 |
| UserSec | – | Hacktivist | Russia | – | – | – | – | 3 |
| UTA0218 | – | Tracked, unattributed | – | – | – | – | – | 4 |
| UTA0352 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| UTA0355 | – | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| UTA0388 | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| UTA0533 | – | Tracked, unattributed | – | – | – | – | – | 3 |
| UTA0576 | – | Targeted, sponsor unknown | – | – | 2026 | – | – | 1 |
| Uteus | UNC5174 | Targeted, sponsor unknown | – | Ministry of State Security | – | – | – | 5 |
| UTG-Q-008 | – | Targeted, sponsor unknown | – | – | – | – | – | 4 |
| UTG-Q-010 | – | Criminal | – | – | – | – | – | 3 |
| V0idix | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Vanilla Tempest | VICE SPIDER, DEV-0832, Vice Society, Vicesociety | Criminal | Russia | – | – | – | – | 4 |
| Vapor Panda | VexatiousTemper | Targeted, sponsor unknown | China | – | 2026 | – | – | 1 |
| VAULT PANDA | – | State | China | – | – | – | – | 1 |
| Velvet Ant | Velvet Ant (Deprecated) | State | China | – | 2023 | 2026 | Active | 5 |
| Vendetta | TA2719, Vendetta, TA2719 | State | Türkiye | – | 2020 | – | – | 4 |
| Vermin | UAC-0020, TEMP.Vermin, SickSync, VERMIN RELIC | State | Russia | – | – | – | – | 3 |
| ViciousTrap | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Viking Jackal | Vikingdom | Targeted, sponsor unknown | United Arab Emirates | – | – | – | – | 6 |
| VIKING SPIDER | Viking Spider | Criminal | – | – | 2019 | – | – | 6 |
| Void Arachne | Silver Fox | State | China | – | 2024 | – | – | 5 |
| Void Balaur | Rockethack | Criminal | – | – | 2017 | – | – | 7 |
| Void Banshee | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Void Blizzard | Laundry Bear, TA488, UAC-0190 | State | Russia | – | 2024 | – | – | 9 |
| VOID MANTICORE | BANISHED KITTEN, HomeLand Justice, Red Sandstorm, COBALT MYSTIQUE, Storm-0842, DUNE, Handala Hack, Karma, Karmabelow80 | State | Iran | MOIS, Ministry of Intelligence | 2022 | 2026 | Active | 9 |
| Volatile Cedar | Amethyst Rain, Dancing Salome, G0123, DeftTorero, Lebanese Cedar, VolcanicTimber | State | Lebanon | State-sponsored, Hezbollah | 2012 | 2026 | Active | 12 |
| Volga Flood | Storm-1841, Rybar | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Volt Typhooncontested | Redfly, UAT-5918, UAT-7237, BRONZE SILHOUETTE, DEV-0391, G1017, Storm-0391, UNC3236, Vanguard Panda, CL-STA-1062, DazedToad, Insidious Taurus, Voltzite | State | China | State-sponsored | 2020 | 2026 | Active | 14 |
| VulzSecTeam | VulzSec | Hacktivist | Indonesia | – | – | – | – | 3 |
| WannaCry | WanaCrypt0r, WannaCrypt, WCRY, WCrypt | Criminal | – | – | 2017 | 2017 | Dormant | 2 |
| WARP PANDA | – | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Wassonite | – | State | North Korea | Lazarus | 2018 | – | – | 8 |
| Watchdog | Thief Libra | Tracked, unattributed | – | – | – | – | – | 5 |
| Water Bakunawa | – | Criminal | – | – | – | – | – | 3 |
| Water Barghest | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Water Curupira | – | Criminal | – | – | – | – | – | 3 |
| Water Galura | GOLD FEATHER | Criminal | – | – | – | 2026 | Active | 3 |
| Water Gamayun | – | Targeted, sponsor unknown | Russia | – | – | – | – | 3 |
| Water Kurita | – | Criminal | – | – | – | – | – | 3 |
| Water Labbu | – | Criminal | – | – | – | – | – | 3 |
| Water Makara | – | Targeted, sponsor unknown | – | – | – | – | – | 3 |
| Water Orthrus | – | Tracked, unattributed | – | – | – | – | – | 4 |
| Water Saci | – | Criminal | Brazil | – | – | – | – | 3 |
| Webworm | Space Pirates, Erudite Mogwai | State | China | – | 2017 | – | – | 6 |
| WeedSec | – | Tracked, unattributed | – | – | – | – | – | 3 |
| WeRedEvils | RedEvils | Targeted, sponsor unknown | Israel | – | – | – | – | 4 |
| WET PANDA | Wet Panda, Red Chimera | Targeted, sponsor unknown | China | – | – | – | – | 7 |
| Wheat Tempest | Gatak, GOLD | Criminal | – | – | – | – | – | 3 |
| Whitearmor | – | Criminal | – | – | – | – | – | 3 |
| WhiteCobra | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Whitefly | – | Targeted, sponsor unknown | – | – | – | 2026 | Active | 6 |
| WildCard | – | Targeted, sponsor unknown | – | – | 2021 | – | – | 5 |
| WildPressure | WilePressure | Targeted, sponsor unknown | – | – | 2019 | – | – | 7 |
| Windigo | Operation Windigo, G0124 | Criminal | Russia | – | 2011 | 2026 | Active | 5 |
| Windshift | Bahamut, G0112, Windy Phoenix | Targeted, sponsor unknown | – | – | 2016 | 2026 | Active | 9 |
| Winnti Group | G0044, Leopard Typhoon, Wicked Panda, Winnti Group, Wicked Panda, Blackfly | State | China | State-sponsored | 2010 | 2026 | Active | 2 |
| Winter Vivern | TA473, TAG-70, UAC-0114, UNC4907, TA-473 | State | Russia | – | 2020 | 2026 | Active | 10 |
| WIP26 | – | Targeted, sponsor unknown | – | – | 2022 | – | – | 5 |
| WIRTE | WIRTE Group, G0090, White Dev 21, Ashen Lepus, Group WITRE | State | Palestine | Hamas | 2018 | 2026 | Active | 9 |
| Wisteria Tsunami | DEV-0605, CyberRoot, MintedSoil, Orange Abtu | Targeted, sponsor unknown | India | – | – | – | – | 6 |
| Witchetty | LookBack, TA410, FlowingFrog, LookBack, TA410, LookingFrog | State | China | – | 2019 | – | – | 5 |
| Wizard Spider | Conti, FIN12, GRIM SPIDER, Periwinkle Tempest, Pistachio Tempest, Ryuk, Storm-0230, UNC1878, DEV-0193, DEV-0237, G0102, GOLD BLACKBURN, ITG23, Operation “BazaFlix”, Storm-0193, TEMP.MixMaster, UNC2053, Conti Team 1, Gold Ulrick, Trickbot LLC, Wizard Spider, Gold Blackburn | State | Russia | Russian Federation | 2014 | 2026 | Active | 9 |
| Worok | – | State | China | China | 2020 | – | – | 7 |
| XakNet | UAC-0100, UAC-0106 | Hacktivist | Russia | GRU | – | – | – | 4 |
| Xcatze | – | Tracked, unattributed | – | – | – | – | – | 3 |
| XDSpy | UAC-0033 | Targeted, sponsor unknown | – | – | 2011 | – | – | 7 |
| Xiaoqiying | Genesis Day, Teng Snake | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| XinXin | Black Technology, changqixinyun | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Xuanye Group | – | Tracked, unattributed | – | – | – | – | – | 3 |
| Yanbian Gang | Yanbian | Criminal | China | – | 2013 | – | – | 7 |
| Yanluowang | – | Criminal | China | – | – | – | – | 2 |
| Yingmob | – | Criminal | China | – | 2016 | – | – | 4 |
| YoroTrooper | Cavalry Werewolf, Silent Lynx, Comrade Saiga, Salted Earth, ShadowSilk, Sturgeon Fisher, SturgeonPhisher | State | Kazakhstan | – | 2022 | – | – | 7 |
| Yulong Flood | Storm-1852 | Targeted, sponsor unknown | China | – | – | – | – | 3 |
| Z-Pentest Alliance | Z-Pentest | Hacktivist | Russia | GRU | – | – | – | 3 |
| Zarya | UAC-0109 | Targeted, sponsor unknown | Russia | – | – | – | – | 4 |
| ZaWoo | ZaWoo Team | Criminal | – | – | – | – | – | 3 |
| ZeffSec | Zeff Security | Hacktivist | – | – | – | – | – | 3 |
| ZeroBytes | – | Targeted, sponsor unknown | France | – | – | – | – | 3 |
| ZeroSevenGroup | – | Criminal | – | – | – | – | – | 3 |
| ZIRCONIUM | APT 31, APT31, Violet Typhoon, G0128, Judgment Panda, Red Keres, TA412, APT 31, Judgment Panda, Zirconium, Bronze Vinewood, Chameleon, RedBravo, TIDE CASTLE, WebFans | State | China | State-sponsored, Ministry of State Security | 2016 | 2026 | Active | 8 |
| Zlader | CrypVault, Russian, VaultCrypt | Criminal | – | – | 2008 | 2023 | Dormant | 2 |
| ZOMBIE SPIDER | Zombie Spider, Kelihos, Pytor Levashov | Criminal | Russia | – | 2010 | – | – | 7 |
| ZooPark | COBALT JUNO, APT-C-38, APT-C-38 (QiAnXin), TG-2884, Saber Lion, TG-2884 (SCWX CTU) | Targeted, sponsor unknown | – | – | 2015 | – | – | 6 |
| 卢甘斯克组织 - APT-C-46 | APT-C-46 | State | Ukraine | – | – | – | – | 2 |
| 旺刺组织 | APT-C-47 | State | South Korea | – | – | – | – | 1 |
| 潜行者 - APT-C-30 | APT-C-30 | Targeted, sponsor unknown | – | – | – | – | – | 2 |
| 腾云蛇 - APT-C-61 | APT-C-61 | Targeted, sponsor unknown | – | – | – | – | – | 2 |
From the GINC APT index (2026-11-06): MITRE ATT&CK, ETDA/ThaiCERT Threat Group Cards, MISP Galaxy, Microsoft, Qihoo 360 and Malpedia via ThreatActor.info, merged by shared ids and aliases. Origin is the sources' vote; sponsor is the agency named, or the sponsor as described. Srcs: the number of sources that carry the actor.