United Health confirms largest ever US healthcare data breach, says 100 million users had info stolen
"On October 22, 2024, Change Healthcare notified OCR that approximately 100 million individual notices have been sent regarding this breach," the Office for Civil Rights stated on its FAQ page. The attack saw an affiliate of the dreaded ALPHV ransomware organization (AKA BlackCat) breach Change Healthcare to steal 6TB of sensitive customer data.