University of Missouri St Louis Email Services

University of Missouri St Louis Email Services

Data Breach on February 20, 2026
Data Breach Report
Victimumsmail.com
Threat ActorSECUROTROP
Date DiscoveredFeb 20, 2026
DescriptionUniversity of Missouri-St. Louis Email Services is an educational communications service organization based in the USA (Missouri), providing academic and institutional email systems.
Leak SizeUnknown

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 breaches129 accounts · across 23 breaches · 126 with a plaintext password · most recent Dec 18, 2025
Combo lists9 accounts · most recent Dec 3, 2025

None of this is necessarily connected to the ransomware attack above.

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