Bison State Bank data breach

Clerk's notes

Bison State Bank, a financial institution providing banking and wealth management services, formally reported a data security incident to the New Hampshire Attorney General on February 9, 2026. This filing indicated that unauthorized access to their systems had occurred, potentially compromising personal information held by the bank.

While the specific types of data exposed were not detailed in the public record, individuals who have received a formal data breach notification letter from Bison State Bank are those specifically identified as potentially affected. This letter serves as an official communication that your personal information was involved in this security event.

As of the reporting date, the incident remains under investigation. This process typically involves assessing the full scope of the breach, identifying the extent of unauthorized access, and determining the precise nature of the information involved.

If you received a notification, it is prudent to remain vigilant. Regularly review your financial statements, account activity, and credit reports for any unfamiliar or suspicious transactions. Be cautious of unsolicited communications, especially those requesting personal details, as scam attempts often follow data incidents.

Receiving a data breach notification can raise questions about your rights and potential recourse. If you have been notified by Bison State Bank, it may be beneficial to seek a free case review to understand the incident's implications for your specific situation.

If a notification letter about this breach reached you, see every New Hampshire data breach on file or browse all cases.