Ransomware attack disrupts University of Mississippi Medical Center operations
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The University of Mississippi Medical Center (UMMC) closed all its clinics statewide after a ransomware attack disrupted IT systems and blocked access to electronic medical records. The attack affected outpatient services, but hospital operations continue using downtime procedures. UMMC is investigating with assistance from CISA and the FBI. The attackers have communicated with UMMC, but no ransomware group has claimed responsibility. UMMC has shut down all network systems for risk assessment, and the impact on patient data remains uncertain.
Timeline
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20.02.2026 13:50 1 articles · 10h ago
University of Mississippi Medical Center hit by ransomware attack
On February 20, 2026, the University of Mississippi Medical Center (UMMC) suffered a ransomware attack that disrupted IT systems and electronic medical records. The attack led to the closure of all clinics statewide, but hospital operations continue using downtime procedures. UMMC is investigating with assistance from CISA and the FBI. The attackers have communicated with UMMC, but no ransomware group has claimed responsibility.
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- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
Information Snippets
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UMMC operates seven hospitals, 35 clinics, and over 200 telehealth sites statewide.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
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The ransomware attack disrupted IT systems and access to Epic electronic medical records.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
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Outpatient services were cancelled, but hospital operations continue using downtime procedures.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
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UMMC is working with CISA and the FBI to investigate the incident.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
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The attackers have communicated with UMMC, but no ransomware group has claimed responsibility.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50
-
UMMC has shut down all network systems for risk assessment.
First reported: 20.02.2026 13:501 source, 1 articleShow sources
- Mississippi medical center closes all clinics after ransomware attack — www.bleepingcomputer.com — 20.02.2026 13:50