Jones Mayer Data Breach – Investigated by Federman & Sherwood
June 22, 2026 – Federman & Sherwood, a national consumer protection law firm, is investigating the Jones Mayer data breach, a cybersecurity incident involving unauthorized access to sensitive personal information that was reported to the California Attorney General.
According to the notice, Jones Mayer became aware of suspicious activity within its network environment on or about November 3, 2024. An investigation determined that an unauthorized actor accessed certain systems between August 22, 2024, and November 7, 2024, and copied files containing sensitive information. Following a comprehensive review of the affected files, Jones Mayer determined that personal information belonging to affected individuals may have been impacted.
The specific information involved varies by individual but may include names and sensitive personal information contained within the affected files.
Data breaches involving law firms are particularly concerning because legal organizations often maintain highly sensitive personal, employment, financial, healthcare, and litigation-related information on behalf of clients and third parties.
Federman & Sherwood is actively investigating whether Jones Mayer implemented reasonable cybersecurity safeguards to protect sensitive personal information and whether this data security incident could have been prevented. The firm is also evaluating potential legal claims on behalf of individuals affected by the Jones Mayer data breach.
Jones Mayer reported that it secured its systems, conducted a comprehensive review of the affected files, enhanced security measures, and is offering affected individuals complimentary Experian IdentityWorks credit monitoring and identity restoration services.
Consumers who received a notice regarding the Jones Mayer data breach or who believe their personal information may have been compromised are encouraged to monitor financial accounts, credit reports, and other personal records for suspicious activity.
The potentially compromised information may include:
- Names
- Social Security numbers
- Other sensitive information
What is Jones Mayer?
Jones Mayer is a California-based law firm that specializes in providing legal counsel and representation to public sector entities, municipalities, and law enforcement agencies.
Individuals affected by the Jones Mayer data breach may have legal rights and are encouraged to contact Federman & Sherwood to learn more about their options.
Phone: 1-800-237-1277 | Email: info@federmanlaw.com