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BOKF NA Data Breach Lawsuit

BOKF NA disclosed a data breach that occurred between August 11-12, 2025, due to a cybersecurity incident at its vendor, Linedata Services. The breach affected 2,878 individuals, including 5 Maine residents, with exposed data including names and Social Security numbers. BOKF is offering free credit monitoring services and advises affected individuals to take protective measures. If you were impacted, you may be eligible to join a class action lawsuit for potential compensation.

BOKF NA
Date of Breach: August 12, 2025
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Who was affected:

Clients of BOKF NA

Impacted Data:

Full Name

Social Security Number

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BOKF NA (BOK Financial) recently reported a data breach involving personal information from a cybersecurity incident at its vendor, Linedata Services. The breach, which occurred between August 11-12, 2025, affected 2,878 individuals, including 5 Maine residents. Sensitive data, such as Social Security numbers, may have been accessed.

BOKF NA’s Data Breach Investigation

On August 12, 2025, BOKF was informed by its vendor, Linedata Services, about a cybersecurity incident impacting its systems. Linedata, a global provider of outsourcing services in the investment management and credit finance industries, detected the breach the day prior. Initially, BOKF was unaware if any of its clients’ data had been compromised, but further investigation revealed that personal data may have been accessed.

The breach occurred due to malicious encryption of data hosted on Linedata’s asset management business domain. This cybersecurity attack resulted in unauthorized access to personal information that could potentially affect individuals connected to BOKF’s services.

By October 23, 2025, BOKF confirmed that personal data, including names and Social Security numbers, may have been improperly accessed in the Linedata breach. Although there has been no indication of misuse, BOKF immediately began taking precautionary steps to notify affected individuals.

BOKF is continuing to monitor developments in collaboration with Linedata, law enforcement, and cybersecurity experts. The company remains committed to protecting the privacy of those affected and ensuring that any new information regarding the breach is communicated.

When Did This Breach Occur?

  • Breach Occurred: August 11-12, 2025

  • Breach Discovered: October 23, 2025

What Information Was Breached?

The compromised data included:

  • Full Name

  • Social Security Number

BOKF has confirmed that no misuse of this information has been reported at this time, but remains vigilant as investigations continue.

What You Can Do

If you were affected by the BOKF data breach, here are the steps you should take to protect your personal information:

  1. Sign Up for Free Credit Monitoring: BOKF is offering one year of complimentary credit monitoring services to those whose Social Security numbers were exposed. Be sure to enroll as soon as possible to monitor any changes in your credit profile.

  2. Review Your Financial Statements: Regularly check your bank and credit card statements for any irregular or unauthorized activity. If you notice anything suspicious, notify BOKF immediately.

  3. Place a Fraud Alert or Security Freeze: Consider placing a fraud alert or credit freeze on your credit files with the three major credit bureaus to prevent unauthorized access to your credit.

  4. Stay Vigilant: Review your credit reports regularly to detect any signs of fraud. Be sure to report any fraudulent activity to the authorities.

BOKF has also compiled tips on how to safeguard your financial and personal information on its website. You can access this information for further steps on how to protect yourself.

File a Data Breach Lawsuit Against BOKF NA

If you were affected by the data breach at BOKF NA, you may be entitled to compensation. Individuals whose personal information was compromised can file a claim as part of a class action lawsuit.

Contact Class Action U for a free consultation to determine if you have a case. We’ll connect you with an experienced attorney who can guide you through the process of joining a class action lawsuit. If you’ve been impacted by this breach, fill out our quick, easy, and secure form to sign up. There’s no cost to reach out, and no obligation after speaking with one of our legal partners.

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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.