Last Week in Ransomware: 11.04.2024

This bulletin summarizes recent high-impact ransomware and APT activity: a ~100 million–patient data exposure at Change Healthcare/UnitedHealth, China-linked Operation Salt Typhoon targeting telecom infrastructure and U.S. political figures, the NotLockBit ransomware strain targeting macOS (with double extortion and Amazon S3 exfiltration), ongoing municipal recovery in Columbus, and a reported partnership between North Korea's APT 45 and the Play ransomware group—underscoring increasing data exfiltration, supply-chain risks, cross-platform ransomware growth, and the convergence of state and criminal tactics.