- State
- MI
- Covered entity type
- Business Associate
- Individuals affected
- 586,869
- Business associate present
- Yes
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- Sep 23, 2026
- Last seen in OCR export
- Oct 25, 2026
OCR description
The business associate (BA), Trinity Health, reported that it was the victim of a hacking attack affecting the protected health information (PHI) of 586,869 individuals. The PHI involved included names, addresses, dates of birth, Social Security numbers, claims and financial information, diagnoses, lab results, and medications. The BA notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the BA provided complimentary credit monitoring services and implemented additional physical, administrative, and technical safeguards. OCR provided the BA with technical assistance regarding its HIPAA Security Rule obligations.
Change history
- Sep 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.