Where does the DEACONESS HEALTH SYSTEM, INC. case file come from?

Every entry is taken from the breach report DEACONESS HEALTH SYSTEM, INC. 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: DEACONESS HEALTH SYSTEM, INC. Data Breach

This file collects the dated facts on record for the DEACONESS HEALTH SYSTEM, INC. incident. The state report is dated February 2, 2026.

Timeline

February 2, 2026Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state: Illinois
Date reported: February 2, 2026
Receiving office: Illinois Attorney General

Case notes

DEACONESS HEALTH SYSTEM, INC. has submitted a report concerning a data breach. This filing, dated February 2, 2026, officially informs regulators about the security incident.

The specific categories of personal information that may have been exposed in this event are not detailed in the public record. Similarly, the total number of individuals impacted by this breach has not been specified.

The nature of the breach itself, along with its precise date of occurrence, is currently listed as unknown. The official filing indicates that the incident is still actively being investigated by DEACONESS HEALTH SYSTEM, INC.

Individuals who receive direct notification from DEACONESS HEALTH SYSTEM, INC. regarding this incident should carefully review the information provided. It is always prudent to remain vigilant for any unusual activity across your personal accounts, such as financial or other online services.

Monitoring your statements and reviewing any notifications for unexpected changes can help detect potential misuse of your personal information. Be cautious of unsolicited communications that claim to offer assistance related to this or any other data security event.

Questions about this case file

Where does the DEACONESS HEALTH SYSTEM, INC. case file come from?: Every entry is taken from the breach report DEACONESS HEALTH SYSTEM, INC. 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

Named in the DEACONESS HEALTH SYSTEM, INC. breach?

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Timeline

Case facts

Case notes

Questions about this case file

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