Bay Area Community Health notified patients of a data breach involving a third-party vendor, TriZetto, which works with their electronic medical record system (OCHIN). An unauthorized individual gained access to TriZetto's systems. The breach window is listed as November 1, 2024, to October 2, 2025. Bay Area Community Health was notified on December 15, 2025. Affected data may include names, social security numbers, dates of birth, contact information, and health-related or insurance information. The organization is working with OCHIN to ensure security measures are in place and reviewing its own processes.