Waterloo Regional Health Network
January 13, 2026
•[ personal health information, third-party security incident, data breach ]
Waterloo Regional Health Network notified patients that a third-party security incident affecting its connection to the Health Report Manager service may have exposed personal health information for approximately 150,000 patients who received care between April 2025 and January 2026. WRHN said the incident occurred outside WRHNs internal systems, was contained within hours on January 13, and no misuse was believed likely.