Tri Counties Bank Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating Tri Counties Bank regarding its recent data breach. While much information is still unknown, Tri Counties Bank recently reported a ransomware cybersecurity incident in which an unauthorized party posted certain sensitive information that was allegedly stolen from the company’s system.


Tri Counties Bank is a wholly owned subsidiary of TriCo Bancshares offering a variety of personal, small business, and commercial banking services. Accordingly, Tri Counties Bank specializes in retail, mobile, and commercial banking, as well as investment services. Founded in 1975, Tri Counties Bank has over $10 billion in assets and operates 37,000 ATMs across the United States. Headquartered in Chico, California, Tri Counties Bank manages 70 branch locations and several commercial banking centers throughout the state.


Recently, Tri Counties Bank detected a ransomware incident affecting its system. Although much information is still unknown, an unauthorized party released information indicating that the Tri Counties Bank data breach involved sensitive personal information belonging to the bank’s customers. Tri Counties Bank posted a notice of the data breach on its website and the company will send notice to impacted individuals once its investigation is complete.

If you are a current or former client of Tri Counties Bank:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or

If you were impacted by the Tri Counties Bank data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice posted on Tri Counties Bank’s website;
  2. Change passwords and security questions for online accounts;
  3. Regularly review account statements for signs of fraud or unauthorized activity;
  4. Monitor credit reports for signs of identity theft; and
  5. Contact a credit bureau(s) to request a temporary fraud alert.

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