Where does the Bison State Bank case file come from?

Every entry is taken from the breach report Bison State Bank lodged with the New Hampshire 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: Bison State Bank Data Breach

This file collects the dated facts on record for the Bison State Bank incident. The state report is dated February 9, 2026.

Timeline

February 9, 2026Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state: New Hampshire
Date reported: February 9, 2026
Receiving office: New Hampshire Attorney General

Case notes

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.

Questions about this case file

Where does the Bison State Bank case file come from?: Every entry is taken from the breach report Bison State Bank lodged with the New Hampshire 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.

New Hampshire data breaches

Filing source: New Hampshire Attorney General

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Timeline

Case facts

Case notes

Questions about this case file

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