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Case File: UW HEALTH - NORTHERN ILLINOIS Data Breach

This file collects the dated facts on record for the UW HEALTH - NORTHERN ILLINOIS incident. The state report is dated October 28, 2025.

Timeline

  1. October 28, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state
Illinois
Date reported
October 28, 2025
Receiving office
Illinois Attorney General

Case notes

UW HEALTH - NORTHERN ILLINOIS has reported a data security incident to authorities in Illinois. The official filing date for this notification was October 28, 2025, and the company has stated that the matter is currently under investigation.

According to the public record, the specific categories of personal information that may have been exposed as a result of this breach are not detailed. Similarly, the number of individuals potentially affected by this incident has not been specified in the available documentation.

Individuals who may be affected by this reported incident are encouraged to remain vigilant. Regularly review account statements for any unusual activity and consider placing fraud alerts or security freezes on credit reports.

It is also advisable to be cautious of any unsolicited communications, whether by email, phone, or mail, that request personal details. Always verify the authenticity of such requests directly with the organization through official contact channels.

This information is based on public filings made with regulatory bodies. For the most accurate and specific details pertaining to their situation, affected individuals should refer to any official correspondence they may receive directly from UW HEALTH - NORTHERN ILLINOIS.

Questions about this case file

Where does the UW HEALTH - NORTHERN ILLINOIS case file come from?
Every entry is taken from the breach report UW HEALTH - NORTHERN ILLINOIS 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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Filing source: Illinois Attorney General