Ransomware Attack Halts Outpatient Care at University of Mississippi Medical Center
The University of Mississippi Medical Center was hit by a ransomware attack in February 2026, disrupting access to its electronic medical records and key IT systems. Outpatient clinics statewide were closed and appointments for surgeries, procedures and tests were canceled, while inpatient care and the emergency department operated with emergency procedures and paper records. The medical center resumed clinic operations after nine days and later said it had not paid a ransom.
Key facts
- Affected organization
- University of Mississippi Medical Center
- Incident type
- Ransomware
- Occurred / detected
- Not confirmed
- Scale of damage
- Outpatient clinics closed for nine days, surgeries, procedures and tests canceled, and a 20% drop in revenue
- Cause / method
- Ransomware attack disrupted access to electronic medical records and key IT systems
- Location
- United States
Timeline
- The medical center confirmed a cyberattack and announced clinic closures and surgery cancellations.
- The medical center set up a phone line for patient inquiries.
- Following a nine-day closure, the resumption of operations and the restoration of the electronic medical records system were reported.
- It became known that revenue fell 20% because of delays in care.
- Medical center officials said they had not paid a ransom in responding to the attack.
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The summary and key facts are written by AI from related reports and may contain errors. Check the original articles and the organization’s official statements for accurate details.