Palomar Health Medical Group (PHMG) reported that an unauthorized actor gained access to certain files on its network from April 23, 2024, to May 5, 2024, and may have copied them. PHMG identified suspicious activity on May 5, 2024. The incident potentially impacted patient information including names, SSNs, health records, financial account info, and biometric data. PHMG notified law enforcement, enhanced security protocols, and offered credit monitoring. The notice was reissued in October 2025 to individuals who may not have previously received it.