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Case File: UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY Data Breach

This file collects the dated facts on record for the UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY incident. The state report is dated October 22, 2025.

Timeline

  1. October 22, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state
Illinois
Date reported
October 22, 2025
Receiving office
Illinois Attorney General

Case notes

The University of Wisconsin Hospitals and Clinics Authority, operating in Illinois, submitted a data breach notification on October 22, 2025. This filing pertains to an unspecified security incident that exposed personal information. The authority is currently investigating the matter to understand the full scope of the event.

According to the public record, the specific type of breach that occurred has not been disclosed. Furthermore, the categories of personal information involved in this incident remain unspecified. While the report confirms an exposure of data, it does not detail whether this includes identifiers, financial information, or other sensitive categories.

The number of individuals potentially affected by this security incident has not been provided in the public filing, nor has the exact date when the breach initially took place. The ongoing investigation aims to clarify these details, which may be released at a later date.

For those who may be affected, it is widely recommended to take general precautions. These steps typically include regularly reviewing financial account statements for any suspicious activity and obtaining free credit reports to monitor for unauthorized accounts or inquiries. Remaining watchful for unusual communications or requests for personal details is also advisable.

This information is based solely on the public regulatory filing made by the University of Wisconsin Hospitals and Clinics Authority with relevant state authorities.

Questions about this case file

Where does the UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY case file come from?
Every entry is taken from the breach report UNIVERSITY OF WISCONSIN HOSPITALS AND CLINICS AUTHORITY lodged with the Illinois Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Illinois data breaches

Filing source: Illinois Attorney General