Health insurance provider UnitedHealth has identified Blackcat as the group behind a major cyber attack that has led to a prolonged outage of its Change Healthcare system, disrupting payments at healthcare institutions nationwide. This has impacted electronic pharmacy refills and new insurance claims. Blackcat has claimed to have stolen millions of patient records, including sensitive medical and insurance data.

AI-Powered Ransomware That Sparked Concern Was NYU’s Work – Bloomberg.com
AI-Powered Ransomware That Sparked Concern Was NYU’s Work Bloomberg.com