Change Healthcare Ransomware Attack: BlackCat Hackers Quickly Returned After FBI Bust

The article describes how, despite high-profile law enforcement takedowns of ransomware infrastructure (notably BlackCat/AlphV and LockBit), these groups have quickly regrouped and continued active extortion operations — including a major BlackCat attack on Change Healthcare that disrupted hospital and pharmacy services across the U.S. and caused delays in patient prescriptions — illustrating the persistent, large-scale threat posed by organized ransomware actors.