Gym Management Service, Inc. Confirms Data Breach to California AG

Gym Management Service, Inc., a service provider for fitness centers, confirmed a data breach involving unauthorized access to its systems. This incident was officially reported to the California Attorney General on January 13, 2026.

The breach date is listed as July 25, 2025. As a company that handles administrative tasks and member account management, Gym Management Service, Inc. maintains various sensitive personal records.

According to the filing, if you received a data breach notification letter, it indicates your personal information was stored within their database at the time of the event. The company's investigation into the nature and extent of the compromise is ongoing.

While specific types of information involved were not detailed in the public filing, it is always wise to take proactive steps. Review all account statements and credit reports carefully for any unusual or unauthorized activity. It is also recommended to consider placing a fraud alert on your credit files as a precautionary measure.

Maintain heightened vigilance against unexpected communications that ask for personal or financial details. These could be attempts to phish for your information. Always verify the legitimacy of such requests by contacting the company directly through official channels, rather than using contact information provided in suspicious messages.