AccidentalPIIFinancial accountLowResolved

Arvest Bank

bd_e1bed42dae8c7950 · schema v1 · pii pii-v2

Severity

Low

Discovered

—

Filed

May 30, 2025

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

67%

Full breach record for Arvest Bank →4 incidents on file

Arvest Bank notified Nebraska residents of a data incident where a customer's debit card information was accidentally attached to an email sent to another customer. The bank acted quickly to have the email deleted and provided one year of free credit monitoring and identity theft recovery to affected individuals. No specific count of affected individuals was disclosed in this notice.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

May 30, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Indiana State AGbd_579edf1c4045581b2025-05-30Candidate
Maine State AGbd_04cbfdb0ec5567b52025-05-12 · +18dCandidate
Indiana State AGbd_d0a61da95843881f2025-05-09 · +21dVerified
Nebraska State AGbd_f8dee04fc3f8275b2025-05-09 · +21dVerified

Name: Arvest Bank
norm: arvest bank

Name: Arvest Bank
norm: arvest bank

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIFinancial account
Attack vector: Misconfiguration
MITRE ATT&CK: T1535 Unknown

During the incident: Provided access, free of charge, to one year of Credit Monitoring and Fully Managed Identity Theft Recovery coverage
Asked the customer to sign an affidavit of deletion
Monitored these cards for fraudulent activity
Changes made: Offered identity theft recovery services at no charge for one year
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 3 states

View merged incident ↗

Indiana State AGMay 9 · first

Nebraska State AGMay 9 · first

Maine State AG+3d

Indiana State AG+21d

Nebraska State AG+21d · this page

Pattern: first filing May 9 (IN), last May 30 (NE) — a 21-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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.

Source URL: https://nebraska.gov/ago/data-breach/documents/360707d4-dc29-4bd6-934c-e102f7930653.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 30, 2025
Raw hash: 54d44f6c943866b420bb57135ccc889d2f9836a6870538c5b06571c83940d1af

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityArvest Bank

Victim entityArvest Bank

IncidentMisconfiguration

Stated responseProvided access, free of charge, to one year of Credit Monitoring and Fully Managed Identity Theft Recovery coverage

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov