The Change Healthcare cyber-attack, acknowledged by parent company UnitedHealth Group, affected approximately 190 million individuals, marking a substantial increase from earlier reports. As one of the largest healthcare payment processing entities in the U.S., Change Healthcare's security breach, with losses totaling $3.1 billion, is considered the most severe healthcare data breach recorded in 2024. Behind this damaging cybersecurity incident is the ALPHV/Blackcat ransomware group, leading to multiple lawsuits against UnitedHealth Group.
"id": "uni000032225",
"linkid": "unitedhealth-group",
"type": "Ransomware",
"date": "1/2025",
"severity": "100",
"impact": "4",
"explanation": "Attack with significant impact with customers data leaks"