Cyberattack Forces Clinic Closures, Surgery Cancellations at University of Mississippi Medical Center
Fri Feb 20 2026
Business Continuity
Cybercrime
Healthcare
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A UMMC cyberattack has disrupted operations at the largest academic health science center in Jackson, Mississippi. The incident forced the shutdown of critical information technology systems, the closure of clinics across the state, and the cancellation of numerous medical procedures.
Hospital officials confirmed Thursday that multiple IT systems, including the electronic medical records platform, were taken offline following a cyberattack on UMMC. As a result, outpatient and ambulatory surgeries and procedures, along with imaging appointments, were canceled. All UMMC clinics statewide were also closed, leaving providers unable to access patients’ digital medical records.
Despite the wid...