BreachCensus

J

First seen May 2, 2025Active41 claimed victims

The claims below are reproduced as posted by J on its own leak site. Such claims are frequently wrong or exaggerated, and are unverified. Organisations listed here have not been confirmed to have suffered a breach.

Listed organisation? Contact [email protected].

Profile

J is an emerging ransomware group that launched its leak site in May 2025, claiming over 41 victims by late 2025 including FAI Aviation Group (Germany), operating primarily as a leak-site-centric extortion identity with limited public technical analysis.

Description from ransomware.live.

Claimed victims (as posted by the group — unverified)

Victim (as posted)Claimed onSourcePress coverage
****.com.auNovember 1, 2025ransomware_live
ikad.com.au - A 5-Month Staycation in the Defense Supply ChainNovember 1, 2025ransomware_live
Dimensional Control Systems (3dcs.com)October 1, 2025ransomware_live
multi-media systeme AG (mmsag.de)September 30, 2025ransomware_live
Virtual Projects (virtualprojects.build)September 29, 2025ransomware_live
raimore.comSeptember 29, 2025ransomware_live
J. E. Stacey & Co. Ltd (jestacey.com)September 29, 2025ransomware_live
Petro-Diamond (petrodiamond.com) - subsidiary of Mitsubishi CorporationSeptember 29, 2025ransomware_live
AZpro Group (azprogroup.com)September 29, 2025ransomware_live
FAI Aviation Group (fai.ag) - The biggest leak everSeptember 23, 2025ransomware_live
a********p.comAugust 13, 2025ransomware_live
ppmrecruit.comAugust 5, 2025ransomware_live
aym.com.mxAugust 5, 2025ransomware_live
bridgerecruit.co.ukJuly 30, 2025ransomware_live
restiani.comJuly 29, 2025ransomware_live
sou***********.netJuly 27, 2025ransomware_live
southweststone.netJuly 27, 2025ransomware_live
gimaex.comJune 26, 2025ransomware_live
diffazur.frJune 17, 2025ransomware_live
powells.bizJune 15, 2025ransomware_live
cisin.comJune 11, 2025ransomware_live
rhodar.co.ukJune 10, 2025ransomware_live
fecovita.comJune 9, 2025ransomware_live
immobilia.huMay 15, 2025ransomware_live
nokotapackers.comMay 14, 2025ransomware_live
daycohost.comMay 9, 2025ransomware_live
venezolanadepinturas.comMay 9, 2025ransomware_live
brdigital.net.brMay 5, 2025ransomware_live
ratnasagar.comApril 26, 2025ransomware_live
ferretornillos.comApril 25, 2025ransomware_live
bouygues-es.frApril 25, 2025ransomware_live
psec.com.arMarch 16, 2025ransomware_live
mygoalseek.comMarch 13, 2025ransomware_live
laticrete.com.cnMarch 13, 2025ransomware_live
automobile-mueller.infoMarch 13, 2025ransomware_live
l-a.com.vnMarch 3, 2025ransomware_live
atp.chaco.gob.arMarch 3, 2025ransomware_live
jean-petit.luMarch 2, 2025ransomware_live
rosekennedygreenway.orgFebruary 23, 2025ransomware_live
ausfec1.com.auFebruary 22, 2025ransomware_live
uva.edu.brFebruary 17, 2025ransomware_live

Claim data from ransomware.live and RansomLook (CC BY 4.0).