Activate Healthcare Reports Security Breach Affecting up to 93,761 Patients. The Illinois-based healthcare provider, Activate Healthcare, LLC, has recently confirmed that it suffered a security breach that resulted in the theft of A security breach at Activate Healthcare has impacted almost 94,000 patients. Community Research Foundation has reported a breach of more than 30,000 records, and Henrietta Johnson Medical Center has been impacted by a breach at its EHR vendor. Third-party company: Delaware Health Network.