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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

Doommageddon

7 victimsLast seen Jul 19, 2026

karma

7 victimsLast seen Oct 4, 2021

malekteam

7 victimsLast seen Apr 5, 2024

pay2key

7 victimsLast seen Sep 9, 2021

Wallstreet

7 victimsLast seen Aug 10, 2026

arkana

6 victimsLast seen Jun 6, 2025

cipherforce

6 victimsLast seen Feb 23, 2026

dataleak

6 victimsLast seen Dec 2, 2022

DYSPHOR1A

6 victimsLast seen Aug 21, 2026

egregor

6 victimsLast seen Feb 8, 2021

netrunner

6 victimsLast seen Apr 3, 2026

rancoz

6 victimsLast seen Sep 3, 2023

redalert

6 victimsLast seen Sep 22, 2022

RunSomeWares

6 victimsLast seen Jul 9, 2025

silent

6 victimsLast seen May 4, 2025

The Crew

6 victimsLast seen Aug 24, 2026

yanluowang

6 victimsLast seen Aug 10, 2022

0day Syndicate

5 victimsLast seen May 29, 2026

atomsilo

5 victimsLast seen Feb 24, 2026

bqtlock

5 victimsLast seen Oct 11, 2025

donex

5 victimsLast seen Feb 27, 2024

Gammax

5 victimsLast seen Aug 6, 2026

GDLockerSec

5 victimsLast seen Jan 26, 2025

iah6477

5 victimsLast seen Aug 26, 2026

kryptos

5 victimsLast seen Nov 6, 2025

No actors match that name on this page.

Showing 226–250 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.