DisclosureLens
UnknownFinancial ServicesFinanceLow

Great Plains State Bank

bd_042c3865dc5c2377 · schema v1 · pii pii-v2

Severity

Low

Discovered

Jan 6, 2025

Filed

Feb 19, 2025

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

95%
Full breach record for Great Plains State Bank →3 incidents on file

Great Plains Bank Corporation, a financial services/insurance entity filed a data breach notification with the Nebraska Attorney General. The breach was discovered on 2025-01-06 according to the AG's register. The breach is dated 2024-11-21. Nebraska residents were notified on 2025-02-19.

Leak gap clock⏱ Leak >30d
⚠ 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.

Incident timeline

undetected · 46 days

Nov 21, 2024

Begins

Jan 6, 2025

Discovered

Feb 19, 2025

Filed

This filing is one of 7 about the same incident.View merged incident
A leak claim by akira about this victim predates this filing by 65 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓

Filing propagation · 6 filings · 6 states

View merged incident ↗
Indiana State AGFeb 19 · first
Maryland State AGFeb 19 · first
Vermont State AGFeb 19 · first
Massachusetts State AGFeb 19 · first
Maine State AGFeb 19 · first
Nebraska State AGFeb 19 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.