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Listed on a ransomware leak site

University of Mississippi Medical Center (@ummcdata)

University of Mississippi Medical Center (@ummcdata) was listed on the Medusa leak site on Mar 20, 2026. Information as of Oct 19, 2026.

Updated continuously · figures as of Oct 19, 2026
Claimed by
Medusa
First listed
Mar 20, 2026
Claims recorded
1

Leak-Site Claim.

MedusaConfirmed claim
Posted on the leak site
Mar 20, 2026
Collected by Brandefense
Mar 30, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Leak Direct([removed] The University of Mississippi School of Medicine (UMSOM) is the medical school of the University of Mississippi in the U.S. state of Mississippi. The UMSOM was created in 1903 on the Oxford campus. In 1955, it was moved from the Oxford campus to the state capital of Jackson and was expanded to include the third and fourth years of training. The University of Mississippi Medical Center, the health sciences campus of the University of Mississippi, houses the School of Medicine. As of 2006, there were 413 students enrolled in UMSOM. This includes students enrolled in the…

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.