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Recent BreachesData breach tracker

Threat Actors

A directory of the ransomware crews and extortion groups behind recent data breaches — filter by name or sort by activity, then open any group for the incidents we link to it.

Groups we track

chaos

82 victimsLast seen Aug 25, 2026

lorenz

78 victimsLast seen Dec 1, 2023

warlock

78 victimsLast seen Nov 6, 2025

cicada3301

75 victimsLast seen Aug 5, 2025

karakurt

74 victimsLast seen Apr 30, 2024

payload

74 victimsLast seen Aug 20, 2026

beast

72 victimsLast seen Aug 25, 2026

avoslocker

70 victimsLast seen Feb 11, 2023

BrainCipher

68 victimsLast seen Jul 22, 2026

quantum

68 victimsLast seen Dec 9, 2022

ransomed

68 victimsLast seen Oct 30, 2023

blacklock

64 victimsLast seen Jul 2, 2025

lv

63 victimsLast seen Nov 27, 2022

flocker

58 victimsLast seen Jul 31, 2025

settra

57 victimsLast seen Aug 21, 2026

darkvault

55 victimsLast seen Jan 6, 2025

losttrust

53 victimsLast seen Sep 26, 2023

gunra

52 victimsLast seen Aug 18, 2026

maze

51 victimsLast seen Sep 11, 2020

AiLock

50 victimsLast seen Aug 26, 2026

Orova

49 victimsLast seen Aug 25, 2026

tengu

49 victimsLast seen Mar 7, 2026

termite

49 victimsLast seen Aug 22, 2026

trigona

49 victimsLast seen Mar 30, 2024

mallox

48 victimsLast seen Jul 14, 2024

nitrogen

48 victimsLast seen Jun 3, 2026

knight

47 victimsLast seen Jan 17, 2025

crypto24

46 victimsLast seen Apr 17, 2026

Global Secret Group

46 victimsLast seen Aug 25, 2026

insomnia

46 victimsLast seen Aug 19, 2026

midas

44 victimsLast seen Apr 14, 2022

cmdorganization

43 victimsLast seen Jul 31, 2026

donutleaks

42 victimsLast seen Aug 10, 2025

blackshrantac

41 victimsLast seen Jan 16, 2026

Crpx0

41 victimsLast seen Aug 12, 2026

J

41 victimsLast seen Nov 1, 2025

blacknevas

40 victimsLast seen Aug 12, 2026

embargo

40 victimsLast seen Jun 30, 2026

darkleakmarket

39 victimsLast seen May 25, 2022

dragonransomware

39 victimsLast seen Dec 16, 2024

metaencryptor

39 victimsLast seen Aug 23, 2026

securotrop

39 victimsLast seen Aug 18, 2026

CRPxO

37 victimsLast seen Aug 2, 2026

m3rx

37 victimsLast seen Aug 14, 2026

ciphbit

36 victimsLast seen Feb 10, 2026

helldown

36 victimsLast seen Nov 6, 2024

nokoyawa

36 victimsLast seen Aug 4, 2023

arvinclub

35 victimsLast seen Oct 15, 2023

spook

35 victimsLast seen Oct 19, 2021

Dark Project

34 victimsLast seen Aug 25, 2026

lamashtu

34 victimsLast seen Jun 17, 2026

moneymessage

34 victimsLast seen Jul 25, 2026

Storm

34 victimsLast seen Aug 24, 2026

aurora

33 victimsLast seen Aug 27, 2026

dAn0n

33 victimsLast seen Aug 23, 2024

obscura

33 victimsLast seen Jan 11, 2026

blackmatter

32 victimsLast seen Nov 4, 2021

global

32 victimsLast seen Aug 20, 2025

marketo

32 victimsLast seen Feb 14, 2022

suncrypt

32 victimsLast seen Jun 18, 2022

Coinbase Cartel

31 victimsLast seen Aug 26, 2026

alphalocker

30 victimsLast seen Feb 28, 2026

frag

30 victimsLast seen Jun 12, 2025

payloadbin

29 victimsLast seen Jun 22, 2024

L Group

28 victimsLast seen Aug 23, 2026

Majinahanashi

28 victimsLast seen Aug 25, 2026

onyx

28 victimsLast seen Nov 21, 2022

bravox

26 victimsLast seen Aug 17, 2026

kelvinsecurity

26 victimsLast seen May 24, 2022

Leakeddata

26 victimsLast seen Aug 27, 2026

netwalker

26 victimsLast seen Dec 12, 2020

underground

26 victimsLast seen Aug 15, 2025

werewolves

26 victimsLast seen Mar 4, 2024

fulcrumsec

25 victimsLast seen Jun 11, 2026

kraken

25 victimsLast seen Nov 13, 2025

No actors match that name on this page.

Showing 76–150 of 349
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Threat actor leaderboard

Attributions to threat groups and methods reflect public reporting and, in some cases, unverified claims made by the groups themselves; they may be incomplete or later revised. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company or group named on this page. This information is aggregated from public sources for awareness only and is not legal, security, or investment advice.