UnknownFinancial ServicesFinanceIDENTITY_GOVERNMENTPIIMedium
1ST MIDAMERICA CREDIT UNION
bd_30a6ecedbb016c46 · schema v1 · pii pii-v1
Full breach record for 1ST MIDAMERICA CREDIT UNION →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.
Texas clock✗ TX AG >30d25 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
This filing is one of 5 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (4) · sorted by filing gap
- bd_4a0e035dbcce10e1New Hampshire State AGfiled 2026-02-02Verified
- bd_275f4715bec7cc1dMaine State AGfiled 2026-01-30(3d gap)Verified
- bd_d41974d707bdedf7Vermont State AGfiled 2026-01-30(3d gap)Verified
- bd_76d756860b4047a3Indiana State AGfiled 2026-01-22(11d gap)Candidate
Source provenance
- Source URL
- https://oag.my.site.com/datasecuritybreachreport/apex/DataSecurityReportsPage#BR-0004810
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Feb 2, 2026
- Raw hash
- c84bfac5faf7e4d29d46740575c784af0c356adea812a9de679bb855e83b117e
Reporting entity
- Name
- 1ST MIDAMERICA CREDIT UNIONnorm: 1st midamerica credit union
Victim entity
- Name
- 1ST MIDAMERICA CREDIT UNIONnorm: 1st midamerica credit union
- Industry
- Financial Servicesllm
Incident
- Discovered
- Aug 14, 2025
- Materiality determined
- —
- Notification sent
- —
- Affected individuals
- 535
- Data types
- IDENTITY_GOVERNMENTPII
- Attack vector
- Unknown
- Threat actor
- External
Compliance
- Time to disclose
- 25 weeks(172 days from discovery to filing)
- Compliance flags
- TX AG >30d
- Discovery-date grounding
- AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.