Bison State Bank Reports Unspecified Data Breach in New Hampshire

Bison State Bank officially reported a data security incident to regulatory bodies on February 9, 2026, confirming an event impacting individuals in New Hampshire. This public filing serves as an initial notification regarding the security compromise.

As of the filing date, the specific details surrounding how the breach occurred remain unspecified. The bank has also not disclosed the exact categories of personal information that may have been compromised during the incident. An investigation into these aspects is currently in progress.

Because the precise nature of the breach and the specific data involved are not yet public, individuals who receive notification from Bison State Bank are advised to exercise caution. Any exposure of personal information, even if general, carries potential risks such as identity theft or unauthorized access to accounts.

Potentially affected individuals should closely review all financial statements, credit reports, and account activity for any unfamiliar transactions or suspicious inquiries. Activating multi-factor authentication on online services and being skeptical of unsolicited communications requesting personal data are also prudent steps.

The public record indicates that this is an evolving situation, with additional details expected to emerge as Bison State Bank's investigation concludes. The initial filing provides a foundational public record of the reported incident.