North Korean hacker used hospital ransomware attacks to fund espionage

The report describes a U.S. indictment of North Korean-linked hacker Rim Jong Hyok and the Andariel/APT45 group for running ransomware operations against American healthcare providers to generate funds used to conduct espionage and data exfiltration from NASA, U.S. defense contractors, and Air Force bases, while leveraging custom malware and exploited vulnerabilities.