Firesta-Fišer

Firesta-Fišer

Data Breach on June 16, 2026
Data Breach Report
Victimfiresta.cz
Claimed ByDeadLock
Date DiscoveredJun 16, 2026
DescriptionFiresta-Fišer, a.s. is a construction company based in the Czech Republic that specializes in road, railway, and bridge infrastructure projects.
Leak SizeUnknown

Credential Exposure for firesta.cz

We've indexed 60 @firesta.cz accounts from external breaches, plus 1 credentials for firesta.cz itself.

Last checked Sep 13, 2026

@firesta.cz addresses from external breaches
Third-party breaches57 accounts · across 46 breaches · 51 with a plaintext password · most recent Feb 8, 2021
Combo lists40 accounts · most recent Aug 16, 2026
Passwords for firesta.cz accounts
Combo lists1 logins · most recent Jun 18, 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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