
University of Missouri St Louis Email Services
Data Breach on February 20, 2026
| Data Breach Report | |||
|---|---|---|---|
| Victim | umsmail.com | ||
| Threat Actor | SECUROTROP | ||
| Date Discovered | Feb 20, 2026 | ||
| Description | University of Missouri-St. Louis Email Services is an educational communications service organization based in the USA (Missouri), providing academic and institutional email systems. | ||
| Leak Size | Unknown |
Credential Exposure for umsmail.com
We've indexed 129 @umsmail.com accounts from external breaches.
Last checked Aug 16, 2026
| @umsmail.com addresses from external breaches | |
|---|---|
| Third-party breaches | 129 accounts · across 23 breaches · 126 with a plaintext password · most recent Dec 18, 2025 |
| Combo lists | 9 accounts · most recent Dec 3, 2025 |
None of this is necessarily connected to the ransomware attack above.
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