Change Healthcare Breach Hits 100M Americans

**Change Healthcare breach (Feb 2024):** A ransomware incident against Change Healthcare led to the theft of medical, billing, insurance and personally identifiable information for roughly 100 million Americans, caused widespread disruptions to U.S. healthcare payment and prescription processing, involved a reported $22 million ransom linked to BlackCat/ALPHV, and prompted competing criminal postings from RansomHub; remediation and business impacts to UnitedHealth/Change exceeded $2.4 billion in the nine months to Sept 30, 2024.