Kozminski University

Kozminski University

Data Breach on June 16, 2026
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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 442 @kozminski.edu.pl accounts from external breaches, plus 318 credentials for kozminski.edu.pl itself.

Last checked Oct 25, 2026

@kozminski.edu.pl addresses from external breaches
Combo lists241 accounts · most recent Oct 25, 2026
Third-party breaches237 accounts · across 60 breaches · 212 with a plaintext password · most recent Apr 3, 2025
Passwords for kozminski.edu.pl accounts
Combo lists270 logins · most recent Oct 25, 2026
Infostealer logs89 logins · 57 infected devices · most recent Oct 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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