Conifer Value-Based Care, LLC reported that an unauthorized third party gained access to an employee's Microsoft Office 365 business email account on August 28-29, 2025. The incident involved personal information of patients and guarantors, potentially including names, addresses, and health-related data, but excluded SSNs, financial accounts, and passwords. Conifer contained the threat, launched an investigation, and notified affected healthcare providers and plans. No misuse of information was reported.