- State
- WI
- Covered entity type
- Healthcare Provider
- Individuals affected
- 842
- Business associate present
- No
- Type of breach
- Hacking/IT Incident
- Location of breached information
- Network Server
- First seen by InfoSec Signals
- 9/23/2026
- Last seen in OCR export
- 9/23/2026
OCR description
The covered entity (CE), Chippewa County, experienced a cybersecurity incident that affected the protected health information (PHI) of 842 individuals. The PHI involved included diagnoses and medications. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE sanctioned the responsible individual and retrained its staff.
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.