Keystone Pacific Property Management notified the California AG of a cybersecurity incident. On Dec 17, 2023, the company detected unusual activity disrupting system access. An investigation revealed unauthorized acquisition of files containing personal information (names and potentially other PII). The breach date listed on the AG form is Dec 12, 2023. The company secured its network, engaged forensic experts, reported to the FBI, and offered credit monitoring to affected individuals. No evidence of misuse was found.