1ST MIDAMERICA CREDIT UNION
bd_30a6ecedbb016c46 · schema v1 · pii pii-v1
Full breach record for 1ST MIDAMERICA CREDIT UNION →3 incidents on file1st 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.
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Incident timeline
Aug 14, 2025
Begins
Aug 14, 2025
Discovered
Feb 2, 2026
Filed
Linked disclosures
Why this link?Regulatory filings (6) · sorted by filing gap
- New Hampshire State AGbd_4a0e035dbcce10e12026-02-02Verified
- Maine State AGbd_275f4715bec7cc1d2026-01-30 · +3dVerified
- Vermont State AGbd_d41974d707bdedf72026-01-30 · +3dVerified
- Indiana State AGbd_76d756860b4047a32026-01-22 · +11dCandidate
Show 2 more filings ↓Show fewer ↑up to 27d gap
- Nebraska State AGbd_8357d148dea927b52026-01-22 · +11dVerified
- Illinois State AGbd_5d6294648734975e2026-03-01 · +27dVerified
Filing propagation · 7 filings · 7 states
View merged incident ↗Pattern: first filing Jan 22 (IN), last Mar 1 (IL) — a 38-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.