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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

Ragnarok

3 victimsLast seen Dec 30, 2021

Rebornvc

3 victimsLast seen Jul 9, 2025

Snake

3 victimsLast seen Jun 7, 2020

TiMc

3 victimsLast seen Apr 9, 2026

Triple X

3 victimsLast seen Aug 5, 2026

Trisec

3 victimsLast seen Feb 19, 2024

Vanirgroup

3 victimsLast seen Jul 10, 2024

Vendetta

3 victimsLast seen Feb 27, 2023

Whitearmor

3 victimsLast seen Oct 23, 2026

Yurei

3 victimsLast seen Sep 9, 2025

Bitlocker

2 victimsLast seen May 2, 2022

Blackfield

2 victimsLast seen Jul 3, 2026

BlackLocks

2 victimsLast seen Sep 26, 2026

BlueWhale

2 victimsLast seen Aug 14, 2026

Cryptnet

2 victimsLast seen Apr 19, 2023

ImNotAVillain

2 victimsLast seen Sep 24, 2026

Kittykatkrew

2 victimsLast seen Feb 25, 2026

Leaknet

2 victimsLast seen Aug 18, 2026

Lunalock

2 victimsLast seen Sep 13, 2025

Mimori

2 victimsLast seen Oct 20, 2026

Nightsky

2 victimsLast seen Jan 4, 2022

Osiris

2 victimsLast seen Jan 9, 2026

Prolock

2 victimsLast seen Apr 25, 2020

Secp0

2 victimsLast seen Sep 22, 2026

Sekhmet

2 victimsLast seen Jun 20, 2020

No actors match that name on this page.

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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.