DisclosureLens
UnknownOtherHealth (basic)Low

University of Wisconsin Hospitals and Clinics Authority

bd_e1e9b02b86abb416 · schema v1 · pii pii-v2

Severity

Low

Discovered

Jun 6, 2025

Filed

Oct 1, 2025

To disclose

—

Affected

Withheld by the regulator

Confidence

95%
Full breach record for University of Wisconsin Hospitals and Clinics Authority →20 incidents on file

UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY filed a data-breach notice with the Illinois Attorney General in October 2025 (case 25-10-510). The register records the breach as discovered on June 6, 2025. Personal information types reported: medical information. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

Incident timeline

Jun 6, 2025

Discovered

Oct 1, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.