Bison State Bank Data Breach

Bison State Bank experienced a data breach between April 17, 2025, and June 30, 2025, involving a single email account. The breach exposed personal information, though no misuse has been confirmed. Affected individuals can take advantage of complimentary credit monitoring and may be entitled to compensation through a class action lawsuit. Contact Class Action U today for a free consultation to learn more about your legal options.

Bison State Bank
Date of Breach: April 17, 2025, to June 30, 2025
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Who was affected:

Clients of Bison State Bank

Impacted Data:

Full names

Social Security numbers

Addresses

Phone numbers

Bison State Bank recently reported a data breach that occurred between April 17, 2025, and June 30, 2025, involving unauthorized access to a single email account. Although there is no evidence that the information has been misused, affected individuals may be entitled to compensation through a class action lawsuit. The bank is offering complimentary credit monitoring services to those impacted.

Bison State Bank’s Data Breach Investigation

Bison State Bank became aware of an unauthorized actor accessing one of its email accounts between April 17, 2025, and June 30, 2025. Upon discovering this breach, the bank immediately secured its network and initiated a thorough investigation in partnership with external cybersecurity professionals. The investigation revealed that the email account in question contained a limited amount of personal information that may have been accessed by the unauthorized party.

On January 6, 2026, after conducting a detailed review of the affected files, Bison State Bank determined that the impacted data may have included personal information belonging to certain individuals, including full names and other variable data elements. While the investigation could not confirm the misuse of this information, Bison State Bank has made efforts to notify all potentially affected individuals and offer resources to help protect their personal data.

In response to the breach, Bison State Bank has worked to enhance its security measures, ensuring that such incidents do not happen again. The bank has also provided a comprehensive solution for those affected, including complimentary credit monitoring services for up to 12 to 24 months, as a precautionary measure to help protect against potential identity theft and fraud.

When Did This Breach Occur?

The data breach occurred between April 17, 2025, and June 30, 2025, with Bison State Bank discovering the breach on or around exact discovery date. The impacted individuals were notified via mail on January 6, 2026.

What Information Was Breached?

The information potentially compromised in the Bison State Bank data breach includes:

  • Full names

  • Social Security numbers

  • Addresses

  • Phone numbers

  • Email addresses, etc.

Due to the limited scope of the breach, not all impacted individuals may have had all of the above-listed data compromised.

What You Can Do

If you were affected by this data breach, there are several steps you can take to protect yourself:

  1. Sign Up for Free Credit Monitoring: Bison State Bank is offering up to 12-24 months of complimentary Single Bureau Credit Monitoring and identity theft protection services through IDX, a company specializing in fraud assistance and remediation. Enroll by visiting the provided link or scanning the QR code in your notification letter.

  2. Monitor Your Financial Accounts: Regularly check your bank and credit card statements for any suspicious transactions or unauthorized activity.

  3. Place a Fraud Alert: Contact one of the three major credit bureaus (Equifax, Experian, or TransUnion) to place a fraud alert on your credit report. This will notify creditors to take additional steps to verify your identity.

  4. Consider a Credit Freeze: You may also choose to freeze your credit, preventing unauthorized individuals from opening new accounts in your name.

  5. Be Cautious of Phishing Scams: Be aware of any unsolicited communications that may try to trick you into providing personal information. Always verify the source before sharing sensitive data.

In addition to these steps, Bison State Bank has made resources available through IDX to help those affected navigate any potential fraud or identity theft issues.

File a Data Breach Lawsuit Against Bison State Bank

If you received a notification regarding this data breach or believe your personal information was affected, you may be entitled to compensation through a class action lawsuit. Although no evidence of misuse has been reported, the exposure of sensitive personal information remains a serious concern.

By joining a class action lawsuit, you can take collective action to hold Bison State Bank accountable and potentially receive compensation for any distress, financial losses, or inconvenience caused by the breach.

Contact Class Action U today to learn more about your legal options. Fill out our quick, easy, and secure form to speak with a lawyer and explore whether you have a case. There’s no obligation or cost to reach out, and we are here to guide you through the process.

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Frequently Asked Questions

A data breach occurs when sensitive, confidential, or protected information is accessed, stolen, or disclosed without authorization. Data breaches often occur through phishing emails, malware, weak passwords, insider threats, or unsecured databases. Indicators of a data breach can include unexpected password resets, suspicious account activity, unauthorized transactions, or notifications from companies about compromised information.If you suspect your data has been compromised, you must take measures and act quickly. Change passwords, enable two-factor authentication, review your financial accounts for unusual activity and consider freezing your credit.

Once stolen, your personal information may be sold on the dark web or used for identity theft and financial fraud. In some cases, hackers use the data to extort companies or launch further attacks. Victims often face long-term risks, including damage to credit and privacy.

If you receive a data breach notification, don’t ignore it. Immediately change passwords for the affected account and any others that share credentials. Enroll in any free credit monitoring services offered and monitor financial statements closely.

To pursue a data breach claim, you’ll need documentation showing your information was compromised and proof of resulting harm, such as fraudulent charges, credit score damage, or identity theft reports. Notification letters, financial records, and communication with the breached company can help support your claim.

Yes. If a company fails to protect consumer data or delays notifying victims, it may be held liable under state and federal privacy laws. Many victims join class action lawsuits to recover financial losses and hold negligent organizations accountable.

Data breach settlements vary widely depending on the size of the breach, type of data compromised, and damages suffered by victims. Payouts may include cash compensation, identity theft protection, or reimbursement for losses. Many settlements range from a few hundred to several thousand dollars per person. A skilled data breach lawyer can guide victims through the complex legal process, ensuring their rights are protected. If you’ve received a data breach notification or believe your personal data was exposed, you may be eligible for compensation. Contact Class Action U to learn more about how to join a data breach lawsuit and understand the process of filing.