Mosty Katowice

Mosty Katowice

Data Breach on December 29, 2025
Data Breach Report
Victimmostykatowice.pl
Threat ActorLockBit
Date DiscoveredDec 29, 2025
DescriptionMosty Katowice Sp. z o.o. is a professional engineering and design firm based in Poland, providing comprehensive design services for infrastructure, bridge and civil engineering projects including technical consultancy, project management, and investor supervision.
Leak SizeUnknown

Credential Exposure for mostykatowice.pl

We've indexed 7 @mostykatowice.pl accounts from external breaches, plus 1 credentials for mostykatowice.pl itself.

Last checked Aug 16, 2026

@mostykatowice.pl addresses from external breaches
Third-party breaches6 accounts · across 11 breaches · 6 with a plaintext password · most recent Jan 1, 2020
Combo lists5 accounts · most recent Aug 1, 2026
Passwords for mostykatowice.pl accounts
Combo lists1 logins · most recent Jul 25, 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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