Sigma Informatique

Sigma Informatique

Data Breach on September 10, 2025
Data Breach Report
Victimsigma.fr
Threat ActorTheGentlemen
Date DiscoveredSep 10, 2025
DescriptionSigma Informatique is an IT services and software development company based in France, specializing in cloud computing, payroll, HR software, and digital transformation for businesses.
Leak SizeUnknown

Credential Exposure for sigma.fr

We've indexed 230 @sigma.fr accounts from external breaches, plus 44 credentials for sigma.fr itself.

Last checked Aug 16, 2026

@sigma.fr addresses from external breaches
Third-party breaches198 accounts · across 68 breaches · 167 with a plaintext password · most recent Aug 18, 2024
Combo lists83 accounts · most recent Aug 7, 2026
Passwords for sigma.fr accounts
Combo lists43 logins · most recent Aug 7, 2026
Infostealer logs9 logins · 5 infected devices · most recent Jun 22, 2026

Logins may belong to customers or to staff, and the data doesn't say which. None of this is necessarily connected to the ransomware attack above.

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