- State
- MI
- Covered entity type
- Healthcare Provider
- Individuals affected
- 5,466
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), University of Michigan-Michigan Medicine (Michigan Medicine), reported that an employee was the victim of an email phishing scheme affecting the protected health information (PHI) of 5,466 individuals. The PHI involved included names, dates of birth, addresses, Social Security numbers, claims information, diagnoses/conditions, lab results, medications prescribed, and treatment information. Michigan Medicine notified HHS, affected individuals, and the media. The CE also implemented additional administrative, technical, and security safeguards to better protect its PHI. Employees were retrained on the proper methods of identifying fraudulent email communications. OCR obtained assurances that Michigan Medicine implemented the corrective actions noted.
Change history
- 9/23/2026Added to OCR's archive list
Source: HHS OCR Breach Portal, U.S. Department of Health and Human Services, Office for Civil Rights about this source
Records are reproduced as published; entity names and figures are OCR's.