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Wisconsin Department of Health Services

ArchivedSubmitted 06/21/2024

Updated 12 hours ago ()

State
WI
Covered entity type
Healthcare Provider
Individuals affected
19,150
Business associate present
Yes
Type of breach
Hacking/IT Incident
Location of breached information
Network Server
First seen by InfoSec Signals
Sep 23, 2026
Last seen in OCR export
Oct 25, 2026

OCR description

The covered entity (CE), Wisconsin Department of Health Services, reported that its business associate (BA) experienced a cyberattack that compromised the protected health information (PHI) of 19,150 individuals. The PHI involved included names, dates of birth, social security numbers, diagnoses/conditions, and other treatment information. The CE notified HHS and the media; the BA notified the affected individuals. In its mitigation efforts, the CE provided credit monitoring and established a call center for questions and concerns. The BA implemented additional administrative and technical safeguards to better protect sensitive data.

Change history

  • Sep 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.

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