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Velum

thegentlemen

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

51days open
t1 · Published t2 · Pending
Jul 23, 2026Not disclosed yet
Country
Business Category
IT
Employees
0-50
Discovered
2026-07-23
Published
July 23, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
vWUmuM7d03jW

Attack Summary

***.biz zoominfo.com/c/velum-inc/372599932 We are making some files publicly available. We have hundreds of gigabytes of your files, including database projects, client contracts, personal data, and documents. If you do not want to face the consequences of a data breach, please contact us; otherwise, everything will be published. VELUM is a French manufacturer of professional lighting solutions based in Bischoffsheim, Alsace, operating since 1975. The company specializes in designing, developing, and manufacturing custom LED lighting fixtures for both indoor and outdoor environments. As a family-owned business, VELUM provides comprehensive support, including lighting studies, technical advice, and tailored solutions for professionals across various sectors

Leak Screenshots

SAMPLE

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

Findings for velum.biz — indexed by HaveIBeenRansom.
0
found in Infostealer logs
81+
found in Traditional breaches
11+
found in Ransomware leaks
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+ 17 more leak sources locked
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