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Kaneko

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Kaneko. 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.

47days open
t1 · Published t2 · Pending
Jul 16, 2026Not disclosed yet
Country
Japan
Business Category
Manufacturing / Engineering
Employees
101-1000
Discovered
2026-07-16
Published
July 16, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
opawLENfUDHR

Attack Summary

***.co.jp zoominfo.com/c/kaneko/540044079 Japanese software company based in Itoigawa, Niigata, specializing in construction project management solutions. For over three decades, the company has developed the CDPM series, a widely recognized software for creating and managing complex construction schedules. Recently, the company has been actively driving digital transformation in the construction industry through its advanced CDPM-X64 platform, which introduces innovative features like native JSON support and comprehensive schedule analysis tools

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

Cross-referenced against HaveIBeenRansom's dark-web index of ransomware leaks, breaches & infostealer logs.
0
found in Infostealer logs
0
found in Traditional breaches
0
found in Ransomware leaks
Emails exposed
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External
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••• emails
Full exposure is locked
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