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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

Kazu

26 victimsLast seen Sep 7, 2026

Kelvinsecurity

26 victimsLast seen May 24, 2022

Netwalker

26 victimsLast seen Dec 12, 2020

Unsafe

26 victimsLast seen Sep 21, 2026

Werewolves

26 victimsLast seen Mar 4, 2024

Kraken

25 victimsLast seen Nov 13, 2025

Lapsus$

25 victimsLast seen Jun 23, 2026

Underground

25 victimsLast seen Aug 15, 2025

Vect

25 victimsLast seen Apr 15, 2026

Booba Team

24 victimsLast seen Oct 20, 2026

Morpheus

24 victimsLast seen Oct 1, 2026

Vexy Ransomware

24 victimsLast seen Oct 17, 2026

Doppelpaymer

23 victimsLast seen Apr 10, 2021

ShadowByt3$

23 victimsLast seen Sep 16, 2026

Vexy

23 victimsLast seen Oct 17, 2026

Radar

22 victimsLast seen Apr 29, 2026

Ryuk

22 victimsLast seen Nov 7, 2024

Daixin

21 victimsLast seen Sep 11, 2025

Eclipse

21 victimsLast seen Oct 17, 2026

Xinglocker

21 victimsLast seen Oct 26, 2021

Black X

20 victimsLast seen Oct 9, 2026

Hellcat

20 victimsLast seen Apr 7, 2025

Leaktheanalyst

20 victimsLast seen Mar 29, 2022

Cephalus

19 victimsLast seen Aug 29, 2025

Ralord

19 victimsLast seen Apr 27, 2025

No actors match that name on this page.

Showing 151–175 of 364
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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.