Data Breach Law Group Investigates the Bison State Bank Data Breach
By Data Breach Law Group | Posted on February 9, 2026 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving Bison State Bank, reported to the New Hampshire Attorney General on February 9, 2026. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Bison State Bank is a financial institution that provides essential banking services, including personal and commercial accounts, loans, and wealth management. As part of their standard operations, they collect and maintain highly sensitive personal and financial information required to process transactions and verify customer identities. In 2026, the company officially reported a data security incident to the New Hampshire Attorney General, confirming that unauthorized access to their systems occurred. If you have received a formal data breach notification letter from Bison State Bank, it indicates that your personal information was potentially compromised during this event. This notice is intended to inform you of the incident and provide guidance on the steps you should take to protect your financial identity and monitor your accounts for suspicious activity.
If you were affected
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.
Did you receive a letter from Bison State Bank?
A case review is free and confidential. Tell us about your letter and we will explain your options.