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Trinity Health System

ArchivedSubmitted 06/10/2026
State
MI
Covered entity type
Business Associate
Individuals affected
2,480
Business associate present
Yes
Type of breach
Unauthorized Access/Disclosure
Location of breached information
Email
First seen by InfoSec Signals
9/23/2026
Last seen in OCR export
9/23/2026

OCR description

The business associate (BA), Trinity Health System, reported that an employee mistakenly sent an email that affected the protected health information (PHI) of 2,480 individuals. The PHI involved included clinical and demographic information. The BA notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the BA provided complimentary credit monitoring services to the affected individuals, implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect PHI.

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.