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Investigation OpenCalifornia AG filing · January 13, 2026

Gym Management Service Reports Data Security Incident

Gym Management Service, Inc., a California-based provider for fitness centers, reported a data security incident where unauthorized access to its systems occurred. Individuals who received a notification letter should monitor their accounts for unusual activity, as their personal information may have been involved.

State
California
Breach date
July 25, 2025
Reported
January 13, 2026

Gym Management Service, Inc., a company providing administrative support and member management for fitness centers, has publicly reported a data security incident. This incident, involving unauthorized access to its systems, was officially filed with the California Attorney General on January 13, 2026.

The company states that the security event took place on July 25, 2025, and is currently under investigation. As a service provider, Gym Management Service, Inc. maintains various personal records. The official filing confirms that unauthorized parties gained access to systems containing this information.

If you received a data breach notification letter directly from Gym Management Service, Inc., it indicates that your personal information was stored within their affected databases at the time of this security event. These notices are sent to inform you about the compromise and guide you on necessary precautions.

To help protect yourself, it is advisable to closely monitor your financial accounts and credit reports for any suspicious activity. Consider placing a fraud alert or security freeze on your credit files as an added layer of protection. Review all statements and notifications from financial institutions and and report any unrecognized transactions immediately.

Remaining vigilant for unexpected communications or requests for your personal information is also important. This proactive approach helps to mitigate potential risks that may arise from unauthorized access to your data.

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