1ST MIDAMERICA CREDIT UNION — August 2025 breach

Clustered 7 filings across 7 jurisdictions · filing window Jan 22, 2026 → Feb 2, 2026 (dated filings only). View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

7 filings

States

Affected · reported

131,070

First → last dated filing

Jan 22, 2026 → Feb 2, 2026

Merge confidence

100%

incident inc_efee035f45274d19 · merged by deterministic · confidence 100%

Part of the Marquis Software Solutions, Inc. supply-chain incident (2025) — at least 3 organizations filed notifications naming this third party.

Confirmed breach. Merged as one breach: 7 regulatory filings. The filings describe a third-party compromise. Intrusion Aug 14, 2025, discovered Aug 14, 2025 — the first regulatory filing landed 161 days later; 1 later filing was flagged late. 131,070 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Financial account. Notifications rolled out on a 11-day schedule across 5 dated filings beginning Jan 22, 2026. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental

Notification delay

161days

Discovered → first regulatory filing

Discovery variance

74days

Range of discovered_at dates across filings

Filing span

11days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksTexas✗ TX AG >30dMaine⏱ ME AG >30d · 67dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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