All Breaches
April 30, 2026 Verified Sensitive Record Government

Wisconsin Department of Health Services 2026 Data Breach

The 2026 data breach of the Wisconsin Department of Health Services is an incident of misdirected mail affecting members of the Supplemental Security Income program covered by Wisconsin Medicaid.

8.2 Thousand
Reported Records
4
Data Types
Low
Severity
Yes
Verification

Exposed Data Types

4
Names
Physical addresses
Membership details
Health insurance information

Additional Information

Added DateJuly 7, 2026
Breach DateApril 30, 2026
Domaindhs.wisconsin.gov
SourceOfficial notice and public regulator report
Last Content UpdateJuly 29, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameWisconsin Department of Health Services
SectorGovernment
Websitedhs.wisconsin.gov

Risk Level

Low

This breach carries a low level of risk.

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