Sax LLP Data Breach Exposes Personal Information of Over 200,000 Individuals On December 23, 2025, New Jersey-based accounting firm Sax LLP disclosed a cybersecurity incident that compromised the personal data of more than 200,000 individuals. The breach occurred in August 2024, when an unauthorized actor accessed Sax’s network and potentially exfiltrated sensitive records. The exposed data includes personally identifiable information (PII) such as names combined with dates of birth, Social Security numbers, passport numbers, and driver’s license numbers. Sax has not provided further details on the attack vector or the total number of affected clients. Lynch Carpenter LLP, a national class action law firm, is investigating potential legal claims against Sax in response to the breach. The firm, which specializes in data privacy litigation, has represented millions of clients in similar cases over the past decade. No additional information regarding Sax’s response, mitigation efforts, or regulatory notifications has been released at this time. The incident remains under review by legal and cybersecurity authorities.