DisclosureLens
HackingFinancial ServicesFinanceCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Financial accountFinancial credentialsMediumContained

Pinnacle Bank Nebraska

bd_c5fc59139dbfd9c9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Nov 9, 2023

Filed

Dec 8, 2023

To disclose

29 days

Affected · nationwide

2,7261 in this filing

Linked

2 filings

Confidence

65%
Full breach record for Pinnacle Bank Nebraska →

Pinnacle Bank Nebraska reported a data breach affecting 2,726 individuals, which occurred on May 27, 2023, and was discovered on November 9, 2023. The breach involved an external system compromise, resulting in the acquisition of names and financial account numbers with associated access codes. Affected individuals were notified on December 8, 2023, and offered 24 months of credit monitoring and identity protection services from Kroll.

Maine clockDiscovered Nov 9, 2023 → Filed with AG Dec 8, 202329d ✓ ME AG ≤30d29 days 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.

Incident timeline

undetected · 166 days
discovery → filing · 29 days

May 27, 2023

Begins

Nov 9, 2023

Discovered

Dec 8, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Filing propagation · 2 filings · 2 states

View merged incident ↗
Massachusetts State AGDec 8 · first
Maine State AGDec 8 · 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.