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Transsion Holdings

hellcat

This record tracks a ransomware attack claimed by the hellcat group against Transsion Holdings. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

-65days
t1 · Published t2 · Disclosed
Mar 29, 2025Jan 24, 2025
Country
China
Business Category
Communication / Marketing
Employees
101-1000
Discovered
2025-03-29
Published
March 29, 2025
Disclosed / Notified
Jan 24, 2025
Victim ID
yQddaGBwduhk

Attack Summary

We hold almost 70GB of sensitive data from Transsion, a leading mobile device provider with $8.6B in revenue. This includes emails, internal communications, source codes, project planning, and data from Transsion and its partners.

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for transsion.com — indexed by HaveIBeenRansom.
2,141
found in Infostealer logs
261
found in Traditional breaches
26
found in Ransomware leaks
@BreachedData1 LinkedIn 2021-23 Cleaned.7z.001
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••• emails
Apollo.io DB 816millions.rar
Database World ROC · breach
••• emails
Televerde
play · ransomware
••• emails
@TXTLOG_ALIEN — @TXTLOG_LINK - 491.txt
Database World ROC · breach
••• emails
VivaAir Colombia.txt
Database World ROC · breach
••• emails
India Bulls
ddosecret · breach
••• emails
IndiaMART_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
TruecallerIndia_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
+ 17 more leak sources locked
Leak volumes are locked
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Visit Website View Group: hellcat
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