UnitedHealth CEO details cyberattack root, working 24/7 to 'fix this'

UnitedHealth Group CEO Andrew Witty detailed the February cyberattack on its Change Healthcare unit, attributing the disruption to the Blackcat ransomware group. The attack, which exploited compromised credentials through an unsecured remote-access portal, has caused significant operational disruptions and potential data breaches affecting millions. UnitedHealth is working tirelessly to restore functionality and expects a financial impact of $1.6 billion from the incident.