Chippewa County
Disclosed Apr 4, 20233 years ago842 affectedConfirmed
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.
What is known
| People affected | 842 (as reported to HHS) |
|---|---|
| Disclosed | Apr 4, 2023 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): Chippewa County (Healthcare Provider, WI)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Apr 4, 2023 | 842 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (HHS archive), confirmed by HHS OCR. Record counts are as reported. Not legal advice.