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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

Sensayq

2 victimsLast seen Jun 4, 2024

Wastedlocker

2 victimsLast seen Oct 16, 2020

0x00

1 victimLast seen Oct 15, 2026

Abyss-data

1 victimLast seen Aug 26, 2026

Agelocker

1 victimLast seen Aug 30, 2020

Astroteam

1 victimLast seen Apr 5, 2021

Blogxx

1 victimLast seen Oct 12, 2022

Cring

1 victimLast seen Jan 1, 2021

Crosslock

1 victimLast seen Apr 17, 2023

Deathkitty

1 victimLast seen Jul 22, 2021

Dharma

1 victimLast seen Jun 1, 2020

Gunra Ransomware

1 victimLast seen Apr 23, 2025

Hades

1 victimLast seen Dec 15, 2020

Insane

1 victimLast seen Jan 17, 2024

Kyber

1 victimLast seen Jul 30, 2026

La Piovra

1 victimLast seen Jun 25, 2022

Macaw

1 victimLast seen Oct 16, 2021

Mamba

1 victimLast seen May 7, 2020

Maui

1 victimLast seen May 1, 2021

Memedusalockerdusa

1 victimLast seen Nov 15, 2022

Meowciety403

1 victimLast seen Sep 2, 2026

Netflim

1 victimLast seen Nov 1, 2020

Networm

1 victimLast seen May 2, 2021

Phoenixcryptolocker

1 victimLast seen Mar 21, 2021

Playboy

1 victimLast seen Oct 28, 2024

Ranstreet

1 victimLast seen Dec 21, 2023

Reynolds

1 victimLast seen Nov 13, 2025

Roadsweep

1 victimLast seen Jul 18, 2022

Robinhood

1 victimLast seen Dec 6, 2021

Ronggolawe

1 victimLast seen Feb 1, 2021

SafePay Ransomware

1 victimLast seen Oct 19, 2026

Securotop

1 victimLast seen Aug 18, 2026

Sicarii

1 victimLast seen Jan 5, 2026

Slug

1 victimLast seen Jan 17, 2023

Synack

1 victimLast seen Mar 21, 2021

Thanos

1 victimLast seen Jul 1, 2020

Walocker

1 victimLast seen Jun 10, 2025

Zeppelin

1 victimLast seen May 19, 2021

Zerotolerance

1 victimLast seen May 5, 2024

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.