Cohn Lifland Pearlman Herrmann & Knopf, LLP Data Breach Lawsuit Investigation
On October 14, 2025, Cohn Lifland Pearlman Herrmann & Knopf, LLP (“Cohn Lifland”) notified regulators of a data security incident that exposed personal information belonging to clients. If you received a breach letter, our team can help you understand your legal rights and eligibility for compensation—request a free, no-obligation case evaluation today.
Key Facts
- Breach period began: March 27, 2025
- Incident discovered: October 3, 2025
- Regulatory report submitted: October 14, 2025
- Total individuals affected: 2 (Massachusetts residents)
- Information confirmed exposed: full name plus other data Cohn Lifland maintained for each person (varies by individual)
- Free protection offered: complimentary one-year subscription to IDX identity-theft services
What Happened
According to the firm’s statement to the Massachusetts Attorney General, an unauthorized party gained access to Cohn Lifland’s internal network on or about March 27, 2025. The firm contained the activity, engaged leading outside cybersecurity professionals, and launched a thorough investigation. The review concluded on October 3, 2025 and determined that certain files containing personal information were accessed and/or acquired.
What Information Was Involved?
The files included each person’s full name and may have contained additional personal details maintained by the firm. The specific data elements vary for each individual.
Firm’s Response
Cohn Lifland states it is not aware of any identity-fraud reports linked to the incident. Nevertheless, the firm is:
- Offering a complimentary one-year membership with IDX for credit monitoring and identity-protection services.
- Continuing to evaluate and enhance internal security controls to safeguard personal information.
Steps You Can Take Now
The notification letter outlines several precautionary measures. Consider the following actions immediately:
- Enroll in the complimentary IDX service before the stated deadline.
- Place a free fraud alert or security freeze on your credit files with the major credit bureaus.
- Request and review your free annual credit report.
- Monitor bank, credit-card, and insurance statements regularly for any unauthorized activity.
Company Overview
Cohn Lifland Pearlman Herrmann & Knopf, LLP is a New Jersey-based law firm founded in 1924 and serving clients nationwide.
- Website: njlawfirm.com
- Headquarters: 250 Pehle Avenue, Suite 401, Saddle Brook, New Jersey, United States
- Industry: Legal Services
- Year founded: 1924
- LinkedIn: Company Page
- Facebook: Facebook Profile
Frequently Asked Questions
What should I do if I received a Cohn Lifland breach letter?
Enroll in the free IDX service, place a fraud alert or security freeze on your credit files, and carefully review financial statements for any unusual activity.
Is Cohn Lifland offering free credit monitoring?
Yes. The firm is providing a complimentary one-year membership with IDX identity-protection services.
How many people were affected by the Cohn Lifland data breach?
The firm reported the exposure of personal information belonging to 2 Massachusetts residents.
Can I join a class action lawsuit against Cohn Lifland?
Possibly. Class actions are often filed when data breaches occur. Contact our legal team for a free review of your situation.
Was my Social Security number leaked?
The firm did not specify every data field involved, only that files contained full names and other information maintained for each person. Check your individual notice for details.
Has Cohn Lifland fixed the security issue?
The firm states it contained the unauthorized activity and continues to enhance internal security controls.