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United Medical Doctors

insomnia

This record tracks a ransomware attack claimed by the insomnia group against United Medical Doctors. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Country
United States
Business Category
Healthcare / Medicine
Employees
101-1000
Discovered
2026-04-09
Published
March 31, 2026
Victim ID
xaqqNtZXR2wS

Attack Summary

United Medical Doctors (UMD) is an independent multi‑specialty medical‑surgical group with 70+ Southern California locations and 40+ specialties. They focus on high‑quality, compassionate care, patient satisfaction, process improvement, outpatient surgery, clinical research.

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