.png)
Columbia Bank Data Breach Lawsuit Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Columbia Bank data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Columbia Bank
Columbia Bank is a regional bank based in Tacoma, Wash., and operates as a subsidiary of Columbia Banking System Inc. The bank is one of the largest headquartered in the Northwest, with more than 350 locations across Arizona, California, Colorado, Idaho, Nevada, Oregon, Utah and Washington.
Columbia Bank provides a wide range of financial services, including consumer and business banking, lending, wealth management and equipment leasing. The bank serves both individuals and businesses, offering specialized expertise and resources tailored to customer needs at every stage.
What Happened?
Columbia Bank reported that an unauthorized third party gained access to certain bank applications between Oct. 2, 2025, and Dec. 22, 2025.
After discovering the incident, Columbia Bank secured its systems, began an internal investigation, notified law enforcement and engaged a forensic security firm to assist with the investigation.
On March 6, 2026, Columbia Bank completed its review and determined that the data accessed by the unauthorized party included sensitive personal information. The types of information exposed may include:
Information Exposed:
- Names
- Social Security numbers
- Driver’s license numbers
- Financial account numbers
You May Be Entitled to Compensation
If your personal information was compromised in the Columbia Bank data breach, you may be eligible for compensation. Lawyers are ready to help affected individuals understand their rights and pursue potential claims.
To find out if you qualify and to join the lawsuit, complete the below form.
.svg)