UnitedHealth Group confirmed that a ransomware attack on its subsidiary, Change Healthcare, in February 2024 resulted in the largest healthcare data breach in US history, affecting 190 million individuals. The breach exposed personal and medical data, with the fallout disrupting healthcare services across the country. Attackers exploited a compromised account with compromised credentials, resulting in a $872 million financial hit. Despite a paid ransom of $22 million, no misuse of the stolen data has been reported.
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