Automobile Club of Southern California (ACSC) notified members of a security incident involving third-party vendor DanubeNet, Inc. (Driving School Solutions). Unauthorized access to vendor systems occurred between July 10, 2025, and August 19, 2025. ACSC became aware of the incident on December 22, 2025. Affected data included names and driver's permit/license numbers. ACSC offered one year of credit monitoring and identity protection services.