Winters Healthcare notified patients of a data security incident 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 may have exposed sensitive personal information including names, social security numbers, dates of birth, contact information, and health-related or insurance information. Winters Healthcare was notified by OCHIN on December 15, 2025. The organization is working with OCHIN to ensure security measures are in place and reviewing its own processes.