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: Endeavor Health Glenbrook Allergy And Immunology Data Breach

This file collects the dated facts on record for the Endeavor Health Glenbrook Allergy And Immunology incident. The state report is dated April 8, 2025.

Timeline

April 8, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state: Illinois
Date reported: April 8, 2025
Receiving office: Illinois Attorney General

Case notes

On April 8, 2025, Endeavor Health Glenbrook Allergy And Immunology filed notice of a data security incident with the Illinois Attorney General. This report indicates that personal information managed by the specialized medical practice was involved in an unauthorized exposure.

Endeavor Health Glenbrook Allergy And Immunology provides diagnosis, management, and treatment for allergic conditions, asthma, and immunological disorders. As a healthcare provider, the organization maintains extensive records containing sensitive personal information for its patients. The filing confirms that some of this patient data was compromised.

The exact nature of the breach and the specific categories of personal information affected were not detailed in the public filing. Endeavor Health Glenbrook Allergy And Immunology has stated that it is currently investigating the incident to determine its full scope. An unspecified number of individuals in Illinois may be impacted by this event.

Individuals who receive a data breach notification from Endeavor Health Glenbrook Allergy And Immunology should review it carefully for details on what information was involved. It is always prudent to remain vigilant against potential identity theft and fraud after any data security incident. Consider monitoring financial accounts and credit reports for suspicious activity.

Additionally, be cautious of unsolicited communications, such as emails or calls, that request personal details. Changing passwords for online accounts, especially those that may use similar credentials, is also a recommended step to enhance personal security.

Questions about this case file

Where does the Endeavor Health Glenbrook Allergy And Immunology case file come from?: Every entry is taken from the breach report Endeavor Health Glenbrook Allergy And Immunology 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

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Timeline

Case facts

Case notes

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