Kozminski University

Kozminski University

Data Breach on June 16, 2026
Data Breach Report
Victimkozminski.edu.pl
Claimed ByTheGentlemen
Date DiscoveredJun 16, 2026
DescriptionKozminski University is a private higher education institution based in Poland that offers business, law, and management programs and holds triple accreditation status.
Leak SizeUnknown

Credential Exposure for kozminski.edu.pl

We've indexed 437 @kozminski.edu.pl accounts from external breaches, plus 299 credentials for kozminski.edu.pl itself.

Last checked Sep 13, 2026

@kozminski.edu.pl addresses from external breaches
Third-party breaches237 accounts · across 60 breaches · 212 with a plaintext password · most recent Apr 3, 2025
Combo lists235 accounts · most recent Sep 13, 2026
Passwords for kozminski.edu.pl accounts
Combo lists250 logins · most recent Sep 13, 2026
Infostealer logs89 logins · 57 infected devices · most recent Sep 10, 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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