University of Missouri System
Data Breach on June 19, 2023
| Data Breach Report | ||
|---|---|---|
| Victim | umsystem.edu | |
| Threat Actor | CL0P | |
| Date Discovered | Jun 19, 2023 | |
| Description | The University of Missouri System provides teaching, research, service, and economic development to the state. | |
| Leak Size | Unknown |
Credential Exposure for umsystem.edu
We've indexed 2,058 @umsystem.edu accounts from external breaches, plus 2,603 credentials for umsystem.edu itself.
Last checked Aug 23, 2026
| @umsystem.edu addresses from external breaches | |
|---|---|
| Combo lists | 1,274 accounts · most recent Aug 22, 2026 |
| Third-party breaches | 964 accounts · across 183 breaches · 904 with a plaintext password · most recent Jan 25, 2026 |
| Passwords for umsystem.edu accounts | |
|---|---|
| Combo lists | 2,484 logins · most recent Aug 23, 2026 |
| Infostealer logs | 372 logins · 263 infected devices · most recent Aug 8, 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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