1ST MIDAMERICA CREDIT UNION
ent_019dd1b5711af35ad799c71732679287
Disclosures
5
State AG · 5 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
131,070
nationwide · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- 1ST MIDAMERICA CREDIT UNION
- Normalized
- 1st midamerica credit union— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300OARXTADS0L8L11
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (5)newest first
- ⭐Texas State AGas victim2026-02-02
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.
- ⛰️New Hampshire State AGas victim2026-02-02
1st MidAmerica Credit Union (MACU) reported a data breach involving its vendor, Marquis Software Solutions. On August 14, 2025, Marquis identified suspicious activity indicating unauthorized access to its computing environment. The breach affected the personal information (names and Social Security Numbers) of 7 New Hampshire residents. MACU was notified by Marquis in October 2025 and confirmed the data involvement in November 2025. Notification letters were mailed to affected individuals on January 22, 2026, offering 24 months of credit monitoring. The incident is considered contained.
- 🦞Maine State AGas victim2026-01-30
On Aug 14, 2025, vendor Marquis Software Solutions suffered an unauthorized third-party intrusion affecting files containing MACU customer data. Names and Social Security Numbers of 131,070 individuals (7 Maine residents) were potentially accessed. MACU confirmed Maine resident exposure Nov 24, 2025. Letters mailed Jan 22, 2026. Epiq providing 24-month credit monitoring. Marquis enhanced security controls post-incident.
- 🍁Vermont State AGas victim2026-01-30
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.
- 🏎️Indiana State AGas victim2026-01-22
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.