Every public data breach

44 disclosed this week · 26,355 on record

University of Michigan Health Plan

Disclosed Feb 26, 20262,315 affectedConfirmed

Official notice

The covered entity (CE), University of Michigan Health Plan, reported that a workforce member inadvertently sent the protected health information (PHI) of approximately 2,315 individuals to an unauthorized individual. The PHI involved names, dates of birth, and treatment information. The CE notified HHS and the affected individuals. OCR provided technical assistance regarding the HIPAA Rules.

What is known

People affected2,315 (as reported to HHS)
DisclosedFeb 26, 2026
AttackInsider
Data exposedNamesHealth
SectorInsurance · US
StatusConfirmed

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.

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