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Caltrain 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 Peninsula Corridor Joint Powers Board (Caltrain) 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 Caltrain
Founded in 1863, Peninsula Corridor Joint Powers Board, more commonly known as Caltrain, operates a commuter rail service that connects the San Francisco Peninsula with San Jose and Gilroy. The agency is a regional joint powers authority representing San Francisco, San Mateo and Santa Clara counties.
What Happened?
On Nov. 21, 2025, Caltrain discovered that some of its data may have been involved in a security incident.
The breach stemmed from a network disruption at Turbo Data Systems (TDS), a third-party vendor that processes citation payment services for Caltrain and other agencies. The initial disruption occurred in Nov. 2024, when unauthorized access to certain files was detected.
After an investigation, Caltrain and TDS determined that files containing sensitive information may have been accessed without authorization. Affected individuals were notified by written notice.
The breach was reported to the California Attorney General on Nov. 3, 2026.
Information Exposed:
- Names
- Social Security numbers
You May Be Entitled to Compensation
If your information was exposed in the Caltrain data breach, you may have legal options and could be entitled to compensation. Lawyers are ready to help individuals affected by this incident understand their rights and pursue possible claims.
To find out if you qualify to join a lawsuit related to this data breach, complete the below form.
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