UMMC Clinics Shut Down After Cyberattack

Medical center closes all clinics statewide due to IT systems breach.

Published on Feb. 25, 2026

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The University of Mississippi Medical Center has shut down all of its clinic locations across the state due to a cybersecurity attack that has disrupted the center's IT systems, including access to its electronic medical records.

Why it matters

Cyberattacks on healthcare providers can have serious consequences, disrupting patient care and putting sensitive medical data at risk. This incident highlights the ongoing threat that medical facilities face from malicious actors seeking to exploit vulnerabilities in their digital infrastructure.

The details

UMMC stated that many of its IT systems, including access to the Epic electronic medical records system, are currently down due to the cybersecurity attack. As a result, all outpatient and ambulatory surgeries, procedures, and imaging appointments have been cancelled and will need to be rescheduled. Hospital services are continuing using downtime protocols.

  • On Thursday, February 19, 2026, UMMC announced the clinic closures due to the cybersecurity attack.

The players

University of Mississippi Medical Center

A major academic medical center and healthcare provider in Mississippi.

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What’s next

UMMC has not provided a timeline for when its IT systems and clinics will be back online, but the medical center says it will provide further updates as more information becomes available.

The takeaway

This incident underscores the critical importance of robust cybersecurity measures in the healthcare industry, where disruptions to IT systems can have severe consequences for patient care and safety. It also highlights the need for healthcare providers to have comprehensive incident response and business continuity plans in place to mitigate the impact of such attacks.