A self-taught computer-security researcher credited with stopping a devastating cyberattack that crippled British hospitals in May was arrested on charges that he created malware used to hack banking systems in Canada and Europe, the U.S. said.
Marcus Hutchins, who started blogging under the pseudonym MalwareTech when he was a teenager, was arrested Wednesday in Las Vegas, the Justice Department said in a statement. Court documents unsealed Thursday show he was indicted in July on several charges of computer misconduct relating to the creation and distribution of the Kronos banking Trojan, a type of malicious program that steals usernames and passwords for banking websites from infected machines.