Sax
Data Breach Class Action Lawsuit
Posted: December 23, 2025 -- Sax data breach class action lawsuit investigation.
Abington Cole + Ellery is investigating the data breach recently announced by Sax and may be filing a class action lawsuit on behalf of victims.
Sax Data Breach Summary:
In mid-December 2025, Sax, LLP, a CPA firm , disclosed a security incident involving unauthorized access to sensitive data, which took place or around August 7, 2024. Approximately 228,000 individuals were affected by the Sax data breach, and breached data may include, but is not necessarily limited to: date of birth, Social Security Number, driver's license or state identification number, and/or passport number. As a result of the data breach, Sax is offering 12 months of free credit monitoring and/or identity theft protection services to affected individuals.
FREE CONSULTATION: If you are a victim of the Sax data breach, and interested in potentially volunteering to serve as a class representative in a class action lawsuit against Sax, please submit your information here to be considered:
An attorney-client relationship is not formed by submitting information through this website.
Sax Data Breach Details:
Sax LLP says it detected unusual activity in its network on August 7, 2024, moved quickly to secure its systems, and brought in independent cybersecurity specialists to investigate. According to the firm’s notice materials, the investigation concluded that certain Sax data may have been accessed or acquired without authorization, prompting a broader review to determine whose information was involved and to prepare notifications.
In a Maine Attorney General breach-notification filing, the portal entry lists 228,876 people affected overall. The filing packet included with Sax’s Maine submission states that notices to Maine residents were sent by mail on December 16, 2025 and that the types of information potentially involved can vary by individual, but may include date of birth, Social Security number, driver’s license/state ID number, and/or passport number.
Sax’s sample notice also says the company completed its review and notification-prep process on December 1, 2025, and that it had no evidence of actual or attempted misuse at the time notices went out. In terms of response steps, Sax says it implemented added safeguards to reduce the risk of a similar event, notified the FBI, and offered affected individuals complimentary identity protection services through Epiq (the Maine materials describe a 12-month offering that includes credit monitoring, dark web monitoring, credit protection, identity restoration, and lost wallet assistance), along with a dedicated call center for questions at 855-720-3117 Monday through Friday from 9:00 am – 9:00 pm Eastern Daylight Time.
About Sax:
SAX is the brand name used by Sax LLP (a licensed CPA firm that performs attest services) and Sax Advisory Group LLC and its subsidiaries (which provide tax and business consulting services). On its website, SAX describes its core work as accounting and auditing, tax services, advisory/consulting, and technology-focused support, with advisory offerings that include areas like client accounting services, HR consulting, transaction advisory, valuation/forensic/litigation support, and wealth management and investment-banking-related advisory (with securities offered through Finalis Securities LLC). The firm also highlights industry-focused teams serving sectors such as construction, real estate, healthcare, nonprofit, financial services, and cannabis, and it lists multiple office locations, including in New Jersey, New York City, and Mumbai.
Additional Information:
Sax Data Breach Notification (State of California)
Sax Data Breach Notification (State of Maine)
For more information about steps you can take to possibly reduce the chances harm arising from a data breach, please review the following article: What are some steps you can take if you've been the victim of a data breach?
If you believe you are a victim of the Sax data breach, and if you would like to volunteer to serve as a class representative in a class action lawsuit regarding this data breach, please submit your information via the form on this webpage. This website is not associated with nor authorized by Sax or any affiliated companies. If you have received any other data breach notifications, you may to review Abington Cole + Ellery's current list of data breach investigations.