Matej Bel University
Data Breach on June 26, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | umb.sk | |
| Threat Actor | Medusa | |
| Date Discovered | Jun 26, 2023 | |
| Description | Matej Bel University (commonly referred as Matej Bel or UMB), (Slovak: Univerzita Mateja Bela) is a public research university in the central Slovak town of Banská Bystrica. | |
| Leak Size | Unknown |
Credential Exposure for umb.sk
We've indexed 897 @umb.sk accounts from external breaches, plus 855 credentials for umb.sk itself.
Last checked Aug 16, 2026
| @umb.sk addresses from external breaches | |
|---|---|
| Combo lists | 634 accounts · most recent Aug 15, 2026 |
| Third-party breaches | 494 accounts · across 131 breaches · 437 with a plaintext password · most recent Oct 10, 2024 |
| Passwords for umb.sk accounts | |
|---|---|
| Combo lists | 716 logins · most recent Aug 15, 2026 |
| Infostealer logs | 267 logins · 121 infected devices · most recent Aug 6, 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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