- State
- WI
- Covered entity type
- Healthcare Provider
- Individuals affected
- 5,946
- 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
Mercy Health System Corporation (MHSC), the covered entity (CE), reported that an employee of its business associate (BA) was the victim of an email phishing scheme that affected 5,946 individuals. The protected health information (PHI) involved included names, addresses, Social Security numbers, and treatment information. The CE, in conjunction with the BA, notified HHS, affected individuals, the media, and offered complimentary identity theft monitoring services. MHSC also provided substitute notice on its website.
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.