Where does the 1ST MIDAMERICA CREDIT UNION case file come from?

Every entry is taken from the breach report 1ST MIDAMERICA CREDIT UNION 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: 1ST MIDAMERICA CREDIT UNION Data Breach

This file collects the dated facts on record for the 1ST MIDAMERICA CREDIT UNION incident. The state report is dated August 14, 2025.

Timeline

August 14, 2025Report filed in IllinoisDate the notice was lodged with the Illinois Attorney General.

Case facts

Filing state: Illinois
Date reported: August 14, 2025
Receiving office: Illinois Attorney General

Case notes

1ST MIDAMERICA CREDIT UNION submitted an official data breach notification to the Illinois Attorney General's office on August 14, 2025. While the specific nature of the incident and the categories of personal information affected are currently unspecified in public records, the filing confirms a security event impacting data.

According to the disclosure, an investigation into this incident is underway. At this time, public documentation does not detail how the breach occurred or the specific types of personal information that may have been exposed. The number of individuals potentially affected by this event also remains unknown.

Even with limited details available, it is prudent for individuals who are or were members or customers of 1ST MIDAMERICA CREDIT UNION to remain vigilant. The general lack of specific information means all common precautions against identity theft and fraud are advisable.

Protective steps include carefully reviewing account statements and credit reports for any unauthorized activity. Consider changing passwords for online accounts, especially if you reuse them across multiple services. Be cautious of unsolicited communications, such as emails or phone calls, requesting personal information.

This information is derived from public records filed with regulatory bodies. As the investigation progresses, additional details may be released. Individuals concerned about their personal information should monitor official announcements from 1ST MIDAMERICA CREDIT UNION.

Questions about this case file

Where does the 1ST MIDAMERICA CREDIT UNION case file come from?: Every entry is taken from the breach report 1ST MIDAMERICA CREDIT UNION 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 1ST MIDAMERICA CREDIT UNION breach?

Attach your notice and a short note. An attorney checks it against this case file at no cost.

Timeline

Case facts

Case notes

Questions about this case file

More Illinois case files