DisclosureLens
HackingFinancial ServicesFinanceSupply Chain (3P Vendor)Customer Data InvolvedMediumResolved

Arvest Bank

bd_5659df1e84b50501 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 11, 2022

Filed

Nov 1, 2022

To disclose

16 weeks

Affected · nationwide

7,7002 in this filing

Linked

3 filings

Confidence

75%
Full breach record for Arvest Bank4 incidents on file

Arvest Bank reported a data breach caused by an internal issue at a third-party vendor. The breach occurred on May 26, 2022, and was discovered on July 11, 2022. The incident affected 2 Maine residents, who were notified on October 31, 2022. Arvest Bank offered one year of identity theft protection services to the individuals affected.

Maine clockDiscovered Jul 11, 2022Filed with AG Nov 1, 2022113d ME AG >90d16 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 · 46 days
discovery → filing · 16 weeks / 113 days

May 26, 2022

Begins

Jul 11, 2022

Discovered

Nov 1, 2022

Filed

vs. sector median

+7 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Montana State AGOct 31 · first
Indiana State AGOct 31 · first
Maine State AG+1d · 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.