Where does the Arvest Bank case file come from?

Every entry is taken from the breach report Arvest Bank lodged with the Indiana Attorney General. Nothing here is estimated.

Why do the incident date and the report date differ?

Companies usually investigate before they report. The gap between the two dates shows how long that took.

What does the records-affected figure count?

It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.

Does this case file change over time?

Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Case file

Case File: Arvest Bank Data Breach

This file collects the dated facts on record for the Arvest Bank incident. The state report is dated May 9, 2025. The incident itself is dated April 24, 2025.

Timeline

15 days separate the incident date from the date it was reported.

April 24, 2025Incident dateWhen the filing says the breach took place.
May 9, 2025Report filed in IndianaDate the notice was lodged with the Indiana Attorney General.

Case facts

Filing state: Indiana
Date reported: May 9, 2025
Incident date: April 24, 2025
Receiving office: Indiana Attorney General

Case notes

Arvest Bank, operating in Indiana, has officially reported a data breach incident. The breach was discovered and confirmed in early May 2025, with the reported breach date cited as April 24, 2025. As of the filing date, the bank indicated an ongoing investigation into the specifics of the event.

The nature of the breach itself has not been publicly specified, but it did result in the compromise of personal information. Details regarding the exact types of data involved remain under investigation by Arvest Bank, which promptly filed a notice of the incident as required by regulations.

Because the precise types of personal information affected are not yet specified, general vigilance is recommended. Individuals should carefully review financial statements and account activity for any suspicious transactions or unauthorized access. This proactive monitoring can help detect potential misuse of your data quickly.

It is also advisable to consider placing a fraud alert or security freeze on your credit reports with the three major credit bureaus: Equifax, Experian, and TransUnion. These measures can help prevent new accounts from being opened in your name without your authorization. Regularly update passwords for all online accounts, especially those connected to financial services, using strong, unique combinations.

Stay informed about any further updates directly from Arvest Bank regarding this incident. Official communications from the bank will provide the most accurate and up-to-date information as their investigation progresses and more details become available to the public. These facts are based on public regulatory filings.

Questions about this case file

Where does the Arvest Bank case file come from?: Every entry is taken from the breach report Arvest Bank lodged with the Indiana Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?: Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?: It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?: Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

Indiana data breaches

Filing source: Indiana Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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