Mutest

Mutest

Data Breach on January 22, 2026
Data Breach Report
Victimmutest.fr
Claimed ByQilin
Date DiscoveredJan 22, 2026
DescriptionMutest is a testing and certification company based in France specializing in software and digital quality assurance.
Leak SizeUnknown

Credential Exposure for mutest.fr

We've indexed 11 @mutest.fr accounts from external breaches, plus 112 credentials for mutest.fr itself.

Last checked Sep 6, 2026

@mutest.fr addresses from external breaches
Combo lists8 accounts · most recent Aug 6, 2026
Third-party breaches4 accounts · across 8 breaches · 3 with a plaintext password · most recent Jan 31, 2026
Passwords for mutest.fr accounts
Combo lists110 logins · most recent Sep 6, 2026
Infostealer logs34 logins · 31 infected devices · most recent Sep 5, 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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