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Chatham Asset Management 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 Chatham Asset Management 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 Chatham Asset Management
Chatham Asset Management is a hedge fund based in Chatham Borough, New Jersey, founded in 2001 by Anthony Melchiorre. Chatham specializes in alternative assets, including debt, derivatives, and private equity investments, and primarily serves a small group of clients.
Chatham has controlling interests in organizations such as Postmedia, A360media, McClatchy and RR Donnelley. The firm employs about 23 people and operates offices in New Jersey and Chicago.
What Happened?
On Dec. 8, 2025, Chatham Asset Management identified unauthorized activity within its computer network. The company responded by securing its systems, engaging third-party cybersecurity experts, and launching an investigation.
The hacking group known as Worldleaks claimed responsibility for the breach and threatened to publish stolen data on the dark web as early as Dec. 23, 2025.
Chatham disclosed the breach to the Massachusetts Office of Consumer Affairs and Business Regulation on Jan. 20, 2026, and the Vermont Attorney General on Jan. 21, 2026.
According to the notice sent to affected individuals, the investigation determined that personal information may have been compromised. The following types of information could have been exposed:
Information Exposed:
- Names
- Social Security numbers
- Driver's licenses
Chatham is offering complimentary credit monitoring and identity restoration services through Cyberscout for those impacted.
Your Rights and Next Steps
If you received a notification about this breach, there are important steps you can take to protect yourself:
- Enroll in Credit Monitoring: Chatham is providing free credit monitoring and identity restoration services for a limited time. Follow the instructions in your notification letter to enroll within 90 days.
- Monitor Financial Accounts: Regularly review bank, credit card, and other financial statements for any suspicious activity.
- Check Your Credit Reports: You are entitled to one free credit report annually from each of the three major credit bureaus. Visit their website or call 877-322-8228 to request your reports.
- Consider a Fraud Alert or Security Freeze: Placing a fraud alert on your credit file makes it harder for identity thieves to open accounts in your name. A security freeze provides even stronger protection by preventing new credit from being issued without your approval.
- Report Suspicious Activity: If you detect any sign of identity theft or fraud, report it immediately to your financial institutions and law enforcement. Residents of Iowa and other states can also contact their state Attorney General.
- IRS Identity Protection PIN: To prevent tax-related identity theft, consider obtaining an Identity Protection PIN (IP PIN) from the IRS.
You May Be Entitled to Compensation
If your information was compromised in the Chatham Asset Management data breach, you may have the right to seek compensation for any harm or inconvenience you have experienced. Lawyers are ready to help individuals affected by this breach understand their rights and pursue potential claims.
To find out if you qualify to join a lawsuit related to this incident, complete the below form.
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