University of Mississippi Medical Center

University of Mississippi Medical Center

Data Breach on March 12, 2026
Data Breach Report
Victimumc.edu
Claimed ByMedusa
Date DiscoveredMar 12, 2026
DescriptionUniversity of Mississippi Medical Center is a healthcare and academic medical institution based in the USA (Mississippi) providing medical education, clinical services, and biomedical research.
Leak SizeUnknown

Credential Exposure for umc.edu

We've indexed 3,471 @umc.edu accounts from external breaches, plus 253 credentials for umc.edu itself.

Last checked Sep 6, 2026

@umc.edu addresses from external breaches
Third-party breaches3,323 accounts · across 272 breaches · 2,737 with a plaintext password · most recent Jan 8, 2026
Combo lists1,187 accounts · most recent Sep 6, 2026
Passwords for umc.edu accounts
Combo lists219 logins · most recent Sep 6, 2026
Infostealer logs74 logins · 41 infected devices · most recent Sep 4, 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.

Is your organization next?

University of Mississippi Medical Center was breached. Check if your company's credentials have been exposed in this or other data breaches.

Check your exposure →

Continuous dark web monitoring alerts you when we find leaked credentials or session tokens for your company.