UMMC Closes Clinics, Cancels Appointments Due To Ransomware Cyberattack

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UMMC Closes Clinics, Cancels Appointments Due To Ransomware Cyberattack

Thedmonline • February 19, 2026

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Ransomware Attack Disrupts University of Mississippi Medical Center Operations The University of Mississippi Medical Center (UMMC) experienced a ransomware attack that compromised its IT systems, leading to the closure of clinics statewide. UMMC officials confirmed the incident occurred on Thursday, prompting the cancellation of appointments and disruption of services. 76 sources 79

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