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Wisconsin Department of Health Services
ArchivedSubmitted 07/01/2026
Updated 12 hours ago ()
- State
- WI
- Covered entity type
- Health Plan
- Individuals affected
- 8,157
- Business associate present
- No
- Type of breach
- Unauthorized Access/Disclosure
- Location of breached information
- Paper/Films
- 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 a mailing error resulted in members receiving letters containing the protected health information (PHI) of individuals who no longer live at the residences. According to the breach report, the breach affected approximately 8,157 individuals. The PHI involved clinical and treatment information. The CE notified HHS, the media, and the affected individuals. In its mitigation efforts, the CE implemented new technical safeguards to prevent a reoccurrence. OCR provided technical assistance to the CE regarding the HIPAA Rules.
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.