DisclosureLens
HackingFinancial ServicesFinanceHacking OtherCustomer Data InvolvedIdentity (basic)Financial accountFinancial credentialsMediumResolved

Leader Bank, National Association

bd_8167850bea03b9e7 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 3, 2023

Filed

Aug 30, 2023

To disclose

27 days

Affected · nationwide

4,12316 in this filing

Linked

4 filings

Confidence

50%
Full breach record for Leader Bank, National Association9 incidents on file

Leader Bank N.A. reported that an external system breach on May 26, 2023, led to unauthorized access to personal information. The breach was discovered on August 3, 2023, and affected 16 Maine residents. The compromised data included names combined with financial account numbers or credit/debit card numbers. Leader Bank provided written notification to the affected individuals on August 30, 2023, and offered 24 months of identity theft monitoring services through Kroll.

Maine clockDiscovered Aug 3, 2023Filed with AG Aug 30, 202327d ME AG ≤30d27 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 · 69 days
discovery → filing · 27 days

May 26, 2023

Begins

Aug 3, 2023

Discovered

Aug 30, 2023

Filed

vs. sector median

5 wks faster

This filing is one of 4 about the same incident.View merged incident
Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Montana State AGAug 30 · first
Massachusetts State AGAug 30 · first
Vermont State AGAug 30 · first
Maine State AGAug 30 · 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.