Did 1st MidAmerica Credit Union have a data breach?

In plain terms

1st MidAmerica Credit Union filed notice in Indiana about a data security incident that occurred on August 14, 2025. The breach potentially exposed sensitive member information, prompting individuals to take protective measures.

1st MidAmerica Credit Union, based in Indiana, officially reported a data breach to state regulators on January 22, 2026. This incident, which reportedly took place on August 14, 2025, involved an unauthorized compromise of its systems.

According to the public filing, the exposed information includes individuals' Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Credit Score Information, Transaction History, and Mailing Address. The specific method of the breach was not detailed in the public report.

The exposure of these data types creates risks for affected individuals. Compromised personal and financial identifiers can be used for various forms of identity theft, unauthorized access to accounts, or other fraudulent activities. The investigation into the incident is ongoing.

Individuals who believe they may be affected by this data breach should remain vigilant. It is recommended to regularly review financial statements and credit reports for any suspicious activity. Consider placing a fraud alert or credit freeze with major credit bureaus to prevent new accounts from being opened in your name without your consent.

Additionally, be cautious of unsolicited communications, such as emails or phone calls, that request personal information. These could be phishing attempts by malicious actors using the breach to impersonate legitimate entities. Always verify the source before sharing any personal data.

If you received a notification letter about this breach, you can compare it with other Indiana data breach filings or browse all cases.