DisclosureLens
FEDERALItem 1.05 · mandatoryThird-Party / Supply ChainFinancial ServicesFinanceSupply Chain (3P Vendor)Customer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDMediumActive

BayFirst National Bank

bd_87c2682fd28511f5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 14, 2025

Filed

Oct 30, 2025

To disclose

11 weeks

Affected

Not disclosed

Confidence

78%
Full breach record for BayFirst National Bank

BayFirst National Bank, a subsidiary of BayFirst Financial Corp., disclosed in a Form 8-K Item 1.05 that on August 14, 2025 it was notified of a cybersecurity incident at a third-party marketing services provider. On October 28, 2025, the provider confirmed that personal information of some BayFirst customers — including names, dates of birth, and Social Security/tax identification numbers — was accessed without authorization. The incident was limited to the third-party provider's environment. Financial impact has not been quantified.

SEC clockMateriality determined Oct 28, 2025Filed Oct 30, 20252d SEC 4-day OK11 weeks discovery → filing
unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

discovery → filing · 11 weeks / 77 days

Aug 14, 2025

Discovered

Oct 28, 2025

Scope determined

Oct 30, 2025

Filed

vs. sector median

+2 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

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 filing

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

SEC 8-K / victim statementThis record

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