Authorities accused North Korean government-backed hacker Rim Jong Hyok of trying to break into U.S. hospital computer systems, install ransomware, and demand ransoms. Rim was indicted on charges of conspiracy and conspiracy to commit money laundering, the U.S. Justice Department announced Thursday. Rim is associated with the “malicious” cyber group Andariel, which is controlled by the North Korean military. He and his co-conspirators allegedly “deployed ransomware to extort U.S. hospitals and health care companies, then laundered the proceeds to help fund North Korea’s illicit activities,” De…