DisclosureLens
HackingFinancial ServicesFinanceSupply Chain (3P Vendor)Customer Data InvolvedFinancial accountFinancial credentialsMediumResolved

ABNB Federal Credit Union

bd_3de3a677334f0969 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 4, 2023

Filed

Dec 18, 2023

To disclose

28 weeks

Affected · nationwide

3,8002 in this filing

Confidence

50%
Full breach record for ABNB Federal Credit Union →2 incidents on file

ABNB Federal Credit Union reported a data breach that occurred at a third-party vendor, Fiserv. The breach, which was discovered on June 4, 2023, resulted in the compromise of financial account numbers or credit/debit card numbers for 2 Maine residents. Affected individuals were notified on December 22, 2023, and offered 24 months of identity monitoring services through Kroll.

Maine clockDiscovered Jun 4, 2023 → Filed with AG Dec 18, 2023197d ⏱ ME AG >30d28 weeks 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 · 4 days
discovery → filing · 28 weeks / 197 days

May 31, 2023

Begins

Jun 4, 2023

Discovered

Dec 18, 2023

Filed

vs. sector median

+20 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed3,800 affectedView 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 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.