1ST MIDAMERICA CREDIT UNION

1ST MIDAMERICA CREDIT UNION filed a data-breach notice with the Illinois Attorney General in March 2026 (case 26-03-1037). The register records the breach as discovered on August 14, 2025. Personal information types reported: drivers license, ssn. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

1st MidAmerica Credit Union based in Bethalto, Illinois, a financial services entity reported a data breach to the Texas Attorney General. The breach was discovered on 2025-08-14 and reported on 2026-02-02. 535 Texas residents were affected. 131,070 individuals affected in total. Types of information involved: Name of individual;Social Security Number Information;Financial Information (e.g. account number, credit or debit card number);Date of Birth. Consumers were notified via U.S. Mail.

1st MidAmerica Credit Union notified the NH Attorney General of a data breach affecting 7 New Hampshire residents. The incident originated at vendor Marquis Software Solutions, where an unauthorized third party accessed the network and potentially acquired files containing names and Social Security Numbers. The vendor detected suspicious activity on August 14, 2025. MACU confirmed NH resident data was involved on November 24, 2025. Affected individuals were notified on January 22, 2026, and offered 24 months of credit monitoring.

1st MidAmerica Credit Union (MACU) reported a data breach affecting 131,070 individuals, including 7 Maine residents. The incident involved unauthorized access to vendor Marquis Software Solutions' network on August 14, 2025, exposing names and Social Security Numbers. MACU notified affected individuals on January 22, 2026, and offered 24 months of credit monitoring.

1st MidAmerica Credit Union notified consumers of a data incident involving its third-party vendor, Marquis Software Solutions. The incident potentially exposed names combined with other personal data. No evidence of misuse was found. Credit monitoring services were offered.

1st MidAmerica Credit Union reported a data breach to the Indiana Attorney General. The breach occurred on 2025-08-14 and was reported on 2026-01-22. 289 Indiana residents were affected. 131,070 individuals affected in total.

First MidAmerica Credit Union (MACU) notified the Nebraska Attorney General of a data breach involving its vendor, Marquis Software Solutions. On or about August 14, 2025, Marquis detected suspicious activity. MACU was informed on October 27, 2025, that an unauthorized third party accessed Marquis' systems. The breach affected 35 Nebraska residents, exposing names and Social Security Numbers. MACU provided 24 months of credit monitoring and fraud services to affected individuals via Epiq. Notifications were mailed on January 22, 2026.

1st MidAmerica Credit Union notified the NH AG of a data event where an unauthorized email was sent from an employee's account. Unauthorized access occurred May 12-20, 2021. Data potentially exposed included names, SSNs, DOBs, and driver's licenses. 4 NH residents affected. No evidence of data download or misuse. Credit monitoring offered.

1st MidAmerica Credit Union reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-10-07. 1 Massachusetts residents were affected. The report records the breach type as electronic.

1st MidAmerica Credit Union reported a data breach to the Indiana Attorney General. The breach occurred on 2021-05-12 and was reported on 2021-10-07. 6 Indiana residents were affected. 1,467 individuals affected in total.

1ST MIDAMERICA CREDIT UNION filed a data-breach notice with the Illinois Attorney General during 2021 (case 21-405). The register records the breach as discovered on May 12, 2021. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.