The Arvest Bank Data Breach: Reported Filing Facts

Arvest Bank is a financial institution that provides a wide range of banking, lending, and investment services to its customers. As a bank, they collect and store highly sensitive personal and financial data, including government-issued identification numbers, account details, and transaction histories, which are necessary to facilitate financial operations. In 2025, the company officially reported a data security incident to the Indiana Attorney General, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter from Arvest Bank, it indicates that your personal information may have been involved in this incident. This letter is intended to inform you of the nature of the breach and provide guidance on the steps you should take to protect your financial identity and monitor your accounts for suspicious activity.

State: Indiana
Breach date: April 24, 2025
Reported: May 9, 2025

What to do if you were affected

These general steps can help limit the risk of identity theft and fraud after any data breach.

Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.

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