University of Wisconsin Hospitals and Clinics Authority
Disclosed Mar 5, 20242 years ago85,902 affectedConfirmed
The covered entity (CE), University of Wisconsin Hospitals and Clinics Authority, reported that an employee was the target of an email phishing scheme affecting the protected health information (PHI) of 85,902 individuals. The PHI involved included names, dates of birth, addresses, and diagnoses/conditions. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE implemented additional administrative, technical, and security safeguards and retrained staff on the requirement to protect and secure PHI.
What is known
| People affected | 85,902 (as reported to HHS) |
|---|---|
| Disclosed | Mar 5, 2024 |
| Attack | Hacking |
| Data exposed | Names, Health |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| HHS OCR breach report (archive, resolved): University of Wisconsin Hospitals and Clinics Authority (Healthcare Provider, WI)ocrportal.hhs.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| HHS archivetotal | Mar 5, 2024 | 85,902 |
Other breaches at University of Wisconsin Hospitals and Clinics Authority
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Jun 18, 2021Jun 18, 20215 years agoHacking | Jun 18, 20215 years ago | Hacking | Healthcare | Confirmed | 4,563 |
| Disclosed Sep 30, 2016Sep 30, 20169 years agoInsider | Sep 30, 20169 years ago | Insider | Healthcare | Confirmed | 6,923 |
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.
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