CSC 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 Corporation Service Company 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 Corporation Service Company

Corporation Service Company, also known as CSC, is a privately held business based in Wilmington, Delaware. Founded in 1899, CSC has grown to become a major provider of business administration and compliance solutions.

CSC’s services focus on helping businesses with entity formation, registered agent services, corporate compliance, governance, tax, and digital brand management. The company offers specialized administration services for alternative asset managers, capital markets participants, and organizations needing digital brand and fraud protection.

What Happened?

A recent ransomware attack targeted Corporation Service Company.

The hacking group known as CL0P claimed responsibility for the breach and posted about it on the Tor network on Oct. 21, 2025. According to the disclosure made to the Vermont Attorney General’s office on Aug. 13, 2026, CSC’s systems were compromised and sensitive data was accessed.

At this time, the incident was confirmed to have involved the exposure of Social Security numbers.

You May Be Entitled to Compensation

If your Social Security number or other sensitive information was exposed in the CSC data breach, you may be eligible to join a lawsuit seeking compensation. Lawyers are actively investigating this incident and are available to assist those affected.

To find out if you qualify and to take the next step, complete the below form to join the lawsuit.

Sources

• Vermont Attorney General
• Dark Web