Where does the COLUMBIA MEDICAL PRACTICE case file come from?

Every entry is taken from the breach report COLUMBIA MEDICAL PRACTICE 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.

Case file

Case File: COLUMBIA MEDICAL PRACTICE Data Breach

This file collects the dated facts on record for the COLUMBIA MEDICAL PRACTICE incident. The state report is dated March 31, 2026.

Timeline

March 31, 2026Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state: Illinois
Date reported: March 31, 2026
Receiving office: Illinois Attorney General

Case notes

COLUMBIA MEDICAL PRACTICE has submitted a data breach notification to regulatory authorities in Illinois. The official filing date for this report was March 31, 2026, indicating a security incident that may have exposed personal information.

At present, the public record does not specify the nature of the breach, such as whether it involved unauthorized access, a system error, or another type of security event. Furthermore, the specific categories of personal information involved in this incident, and the number of individuals potentially affected, have not been detailed in the public filing.

COLUMBIA MEDICAL PRACTICE has indicated that an investigation into this incident is underway. As investigations progress, further information regarding the scope, cause, and impact of the security event may become available through official channels.

Individuals who receive direct notification from COLUMBIA MEDICAL PRACTICE should carefully review the provided information for any specific instructions or details relevant to their situation. In general, it is advisable for anyone potentially affected to remain vigilant by monitoring their financial statements and credit reports for any unusual or unauthorized activity. If any suspicious activity is observed, it should be reported immediately to the relevant financial institutions or credit reporting agencies.

This entry serves as a record of the reported incident based on official filings. Updates will be documented as additional verified information becomes publicly available.

Questions about this case file

Where does the COLUMBIA MEDICAL PRACTICE case file come from?: Every entry is taken from the breach report COLUMBIA MEDICAL PRACTICE 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.

Illinois data breaches

Filing source: Illinois Attorney General

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Timeline

Case facts

Case notes

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