https://www.reuters.com/article/us-cyber-northkorea-sony/u-s-charges-north-korean-hacker-in-sony-wannacry-cyberattacks-idUSKCN1LM20W

The U.S. government on Thursday charged and sanctioned a North Korean man in the 2017 global WannaCry ransomware cyberattack and the 2014 cyberassault on Sony Corp , U.S. officials said.