Change Healthcare data breach, perpetrated by the Alphv/BlackCat ransomware gang, exposed the private data of approximately 190 million people, over half the U.S. population. Compromised data includes personal, medical and insurance details. UnitedHealth Group incurred $1.1 billion in costs due to the breach. Despite a major law enforcement crackdown, the attackers and their affiliates continue to cause disruption.
Change Healthcare ransomware attack exposes data of 190 million people
The BlackCat ransomware group attacked UnitedHealth subsidiary, Change Healthcare, in February 2024, compromising the data of 190 million individuals. The breach, one of the largest