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University of Wisconsin Hospitals and Clinics Authority

ArchivedSubmitted 03/05/2024
State
WI
Covered entity type
Healthcare Provider
Individuals affected
85,902
Business associate present
No
Type of breach
Hacking/IT Incident
Location of breached information
Email
First seen by InfoSec Signals
9/23/2026
Last seen in OCR export
9/23/2026

OCR description

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.

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.