UMMC Clinics

Product

Last mentioned: Feb 23, 2026

Timeline

Feb 24, 2026
Extended Disruption

Clinics remain closed for a second day as forensic teams work to assess the scope of the encryption.
Feb 23, 2026
Statewide Shutdown

UMMC announces the closure of 36 clinics and the cancellation of all elective procedures to contain the threat.
Feb 22, 2026
Initial Breach Detection

UMMC IT staff identify unauthorized activity and ransomware deployment on the network.

Stories mentioning UMMC Clinics 1

UMMC Ransomware Attack Forces Statewide Clinic Closures and Surgery Delays

The University of Mississippi Medical Center has shuttered approximately 36 clinics and canceled elective procedures following a major ransomware attack. The disruption, entering its second day, highlights the critical vulnerability of regional healthcare infrastructure to digital extortion.

Feb 23, 2026 2 sources