- State
- MI
- Covered entity type
- Business Associate
- Individuals affected
- 46,526
- Business associate present
- Yes
- 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
Trinity Health, the business associate (BA), reported that an employee was the target of an email phishing scheme that compromised the protected health information (PHI) of 46,526 individuals. The PHI involved included names, addresses, dates of birth, financial information, medications, and other treatment information. Trinity notified HHS, affected individuals, and the media. In its mitigation efforts, the BA strengthened its access controls and retrained its workforce.
Change history
- 9/23/2026Added to OCR's archive list
Source: U.S. Department of Health and Human Services, Office for Civil Rights, Breach Portal. Records are reproduced as published; entity names and figures are OCR's.