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LogicVein

qilin

This record tracks a ransomware attack claimed by the qilin group against LogicVein. 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.

250days open
t1 · Published t2 · Pending
Dec 24, 2025Not disclosed yet
Country
Japan
Business Category
Other
Employees
51-100
Discovered
2025-12-24
Published
December 24, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
C4UvYs0pI4hx

Attack Summary

The organization LogicVein appears on the qilin ransomware leak site. It operates in the Other sector. The affected entity is based in Japan. The incident was first observed on December 24, 2025. The entry is documented by Breach House from public leak-site sources and is provided for situational awareness only.

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 lvi.co.jp — indexed by HaveIBeenRansom.
0
found in Infostealer logs
4
found in Traditional breaches
0
found in Ransomware leaks
OnlinerSpambot_BF.7z
B F R e p o V 3 F i l e s · breach
••• emails
VerificationsIO_BF.7z.011
Kedr | Forum 🪾 · breach
••• emails
MGM_Grand_Hotels RUTOR.7z
TheUnderground - Reborn · breach
••• emails
Leak volumes are locked
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Legal Disclaimer: This ransomware victim record reflects information published on the operator's leak site. Breach.house only records what the operators themselves publish in the open. We take screenshots of their public pages and keep the proof material they post there, so that a listing can be verified and its status tracked over time. We do not purchase data, we do not solicit or encourage its publication, we do not access any private system, and we do not alter anything we record. Nothing is offered for download here, and detailed content is not published on this page or anywhere else on the public site: access to it is restricted to vetted customers under contract, for incident response, due diligence and cyber-resilience work. Breach.house is not affiliated with, and does not act on behalf of, the operators who publish this material. If you represent an organisation or individual named here and want a record reviewed or removed, contact us and we will act on it.