This record tracks a ransomware attack claimed by the
medusa group against
SIGMA. 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.
1121days open
t1 · Published
t2 · Pending
Business Category
Services
Disclosed / Notified
Not disclosed yet
Attack Summary
SIGMA is a company located at 4915 Ambroise Lafortune Ste 100, Boisbriand, Quebec, J7H 0A4, Canada, providing IT services specializing in the development and implementation of an integrated management system (IMS) for manufacturing (MRP/ERP) and distribution companies.
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.
Dark Web Exposure
Findings for sigmaco.com
— indexed by HaveIBeenRansom.
4
found in Infostealer logs
1,110+
found in Traditional breaches
312+
found in Ransomware leaks
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+ 17 more leak sources locked
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This ransomware victim record reflects information published on the operator's leak site.
Breach.house does not acquire, download, host, access or redistribute unlawfully obtained data. It indexes only publicly visible information posted by ransomware, breach and infostealer operators and open web sources, without accessing the underlying stolen content. The service supports public awareness, legitimate research and cyber-resilience.