Petaluma Health Center experienced a network security incident on March 14, 2023, involving unauthorized access to its network environment. The breach potentially exposed personal information of current and former employees, board members, and volunteers, including names, addresses, Social Security numbers, driver's license numbers, passport numbers, dates of birth, and health insurance plan information. The organization contained the incident by shutting off network access and engaged third-party forensic investigators. Affected individuals were offered credit monitoring and fraud assistance services.