UPDATED:    January 24, 2025

Mission Bank Data Breach Lawsuit

Data Breach Summary

Mission Bank

Who Was Affected
Customers of Mission Bank
Impacted Data
First and last name, social security number, date of birth, address and telephone number, driver’s license number or state-issued ID number, passport number, financial account number
Date of Breach
On December 2, 2024
Have you been affected by Mission Bank's data breach?

Mission Bank, has disclosed a data security breach that potentially compromised the personal information of its customers. The announcement, made through a filing with the Montana Attorney General’s office, provide details on the circumstances leading up to the breach.

Individuals associated with Mission Bank, are advised to remain vigilant for any suspicious activity related to their personal information. Monitoring financial statements, changing passwords, and being cautious of phishing attempts are recommended steps to protect against potential misuse of compromised data. To learn more about how to protect yourself after such incidents, explore this resource on how to respond to a data breach incident and understand the steps you can take.

Details of the Mission Bank Data Breach

On December 2, 2024, Mission Bank reported a network security incident after discovering unauthorized access to certain systems within their network. The breach was identified despite the bank’s robust information security measures, prompting immediate action from the bank’s IT team.

Upon detecting suspicious activity, Mission Bank swiftly isolated the affected systems, preventing further unauthorized access. The bank then engaged third-party forensic specialists to investigate the incident and assess the extent of the unauthorized activity. Law enforcement was also notified as part of the bank’s ongoing commitment to ensuring the safety of their systems and customers.

The bank has confirmed that core banking services, including account balances, transactions, and online banking systems, were not affected. These core services are housed on secure systems separate from the impacted network environment, which contained the compromised data.

To protect against potential risks, it’s recommended to regularly monitor financial statements, update passwords, and exercise caution with unsolicited communications, such as phishing attempts. For additional guidance on safeguarding your information following a data breach, we encourage you to review this resource on responding to data breaches and the proactive steps you can take to protect yourself.

What Information Was Involved?

While Mission Bank has found no evidence of any misuse of customer information, a comprehensive review completed on December 18, 2024, determined that personal information from some customers may have been impacted. This includes a range of information such as:

  • First and last name
  • Social Security number
  • Date of birth
  • Address and telephone number
  • Driver’s license number or state-issued ID number
  • Passport number
  • Financial account number

How to Know if You Were Affected

If you received a data breach notification from Mission Bank, your personal information may have been compromised. While most victims are officially informed via a ‘‘notice of data breach” in the mail, the consequences—such as fraudulent transactions and identity theft—can begin long before you receive the notice.

Steps to Take If You Were Affected by the Mission Bank Data Breach

Stay Alert for Phishing Scams

Scammers may try to take advantage of the data breach by posing as Mission Bank. Be wary of unexpected emails, texts, or phone calls requesting personal information. When in doubt, verify any communication directly with the company through official channels.

Monitor Your Credit and Financial Accounts

Keep a close eye on your bank statements, credit card activity, and credit reports for any unauthorized transactions. Set up account alerts to catch suspicious activity early. Take advantage of free credit reports and review them carefully for unfamiliar accounts or discrepancies.

Consider Freezing Your Credit

For added protection, request a credit freeze from all three major credit bureaus. This prevents anyone from opening new accounts in your name while still allowing you to use your existing credit. If you need to apply for credit, you can temporarily lift the freeze when necessary.

Class Action U, in partnership with KO Lawyers, is supporting individuals impacted by the Mission Bank data breach. If your information was exposed in this breach, you may be eligible to join a class action lawsuit.

How Mission Bank Class Action Lawsuits Help Victims Seek Compensation

Class action lawsuits allow individuals affected by large-scale data breaches like the Mission Bank, incident to come together and pursue compensation collectively. These lawsuits can provide a more efficient and cost-effective way to hold companies accountable for failing to protect personal information. Learn how joining a class action lawsuit can potentially help you to seek compensation for:

  • Loss of privacy
  • Time spent addressing the breach
  • Out-of-pocket costs
  • Emotional distress

A successful case could also compel Mission Bank, to improve its security measures and prevent future breaches. Reach out to Class Action U today to determine your eligibility for a data breach class action lawsuit and the compensation that may be available to you.

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