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44 disclosed this week · 26,355 on record

University of Michigan/Michigan Medicine

Disclosed Oct 16, 20201,062 affectedConfirmed

Official notice

The covered entity (CE), University of Michigan/Michigan Medicine, reported that an employee inadvertently sent an email that contained the electronic protected health information (ePHI) of 1,062 individuals without using the bind carbon copy function. The ePHI involved included names, email addresses, and diagnoses/conditions. The CE notified HHS, affected individuals, and the media. In response to the breach, the CE sanctioned the responsible employee and retrained its workforce on email security. OCR provided technical assistance to the CE regarding the HIPAA Privacy and Security Rules.

What is known

People affected1,062 (as reported to HHS)
DisclosedOct 16, 2020
AttackInsider
Data exposedNamesHealth
SectorHealthcare · US
StatusConfirmed

Sources

Notices filed

Other breaches at University of Michigan/Michigan Medicine

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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