> Cause not stated in filing
Bison State Bank data breach investigation
- Filed
- February 9, 2026
- Regulator
- New Hampshire AG
- People affected
- Not stated
- File status
- Investigation Open
What the filing confirms
- Bison State Bank reported the incident to the New Hampshire Attorney General.
Still unknown
- Which categories of personal information were taken. The filing does not list them.
- How many people were affected. The filing does not give a number.
- What caused the incident beyond the description in the filing.
- How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Investigation notes
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.
What our attorneys examine
A cyberattack does not excuse a company from protecting the information it holds. We look at whether Bison State Bank used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in New Hampshire.
Bison State Bank data breach questions
- Is the Bison State Bank data breach letter legit or a scam?
- A notice from Bison State Bank in the mail matches the breach Bison State Bank reported to the New Hampshire Attorney General on February 9, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Bison State Bank through a phone number or website you find yourself.
- Did Bison State Bank offer free credit monitoring?
- Any free monitoring Bison State Bank is offering will be described in the notice you received, along with an activation code and a sign-up deadline. Enrolling does not give up your right to bring a claim.
- Is there a Bison State Bank data breach class action lawsuit?
- Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Bison State Bank. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
- What should I do after getting the Bison State Bank data breach notice?
- Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
- Do I need a Bison State Bank data breach lawyer or attorney?
- An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
- Can I sue Bison State Bank over the data breach?
- It depends on what was exposed, the law in New Hampshire and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
- How much could a Bison State Bank data breach settlement or claim be worth?
- There is no set amount, and no Bison State Bank settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. Keep receipts and records; they're what damages claims are built on.
Other open files in New Hampshire
- Janome America, Inc.New Hampshire Attorney General · Filed July 31, 2026Count not stated
- Sullivan Environmental ServicesNew Hampshire Attorney General · Filed July 31, 2026Count not stated
- City of New Britain, Inc.New Hampshire Attorney General · Filed July 30, 2026Count not stated
- New Hampshire Housing Yardi’s RentCafeNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Pocket FMNew Hampshire Attorney General · Filed July 30, 2026Count not stated
- Werth Wealth Management, LLCNew Hampshire Attorney General · Filed July 29, 2026Count not stated
Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.