Data Breach at UnitedHealth-Associated Tech Firm Episource Affects 5.4 Million Patients
Episource, a medical billing company affiliated with Optum, a subsidiary of UnitedHealth Group, has reported a significant data breach affecting over 5.4 million individuals in the United States. This incident, which occurred earlier this year, has been classified as one of the largest healthcare data breaches recorded in 2025, as…