TOKYO -- Materials from the U.S. Justice Department's charges on Sept. 6 against a North Korean hacker show that the impoverished state is finding ever-craftier ways to carry out the cyberattacks it increasingly depends on to stay afloat.
Park Jin Hyok, named by officials as a member of the so-called Lazarus Group hacking team behind last year's WannaCry global ransomware attack and the 2014 digital attack on Sony, apparently used not only advanced technology, but elaborate reconnaissance work to digitally steal money and sensitive information.
