Shares of UnitedHealth Group dipped 0.46% following a startling revelation. According to data published on August 14 on the official website of the US Department of Health and Human Services, a cyberattack targeting the technology subsidiary of the group last year compromised the personal information of more than 190 million individuals. Earlier this year, in January, UnitedHealth Group had estimated that the breach of the Change Healthcare system involved the sensitive data of 190 million people. This incident now stands as the largest medical data breach ever recorded in the United States.
