UNM Health ransomware attack disrupts patient care, surgeries

The University of New Mexico Health Sciences Center disclosed a ransomware attack that caused system outages and disrupted patient care and academic activities.

The vulnerability or weakness

The attack, claimed by a new ransomware group called Byod, compromised 36,000 systems, including Active Directory forests and databases.

Earlier attacks and coverage

• Cyber Incident Forces UNM Health to Cancel Surgeries, Divert Ambulances (2026-10-27)

Business impact

The incident forced the university to limit new patient admissions, cancel classes, and suspend surgeries, impacting patient care and operations.

Industries affected

Healthcare

Users affected

Patients and nonessential employees were affected, with services like outpatient surgeries and classes canceled.

Sources

• UNM Health ransomware attack disrupts patient care, surgeries (BleepingComputer)