North Korean 'hacker' charged over cyber-attacks against NHS

Park Jin Hyok, 34, charged by US officials over 2017 WannaCry ransomware attack that affected more than 150 countries

The US justice department has charged an alleged North Korean spy for helping to perpetrate cyber-attacks against the National Health Service that saw operations cancelled, ambulances diverted and patient records made unavailable following a worldwide hack in 2017 which affected computers in more than 150 countries.

Park Jin Hyok, 34, was also involved in an attack against the Sony Corporation in 2014 and an $81m theft from the Bank of Bangladesh in 2016, a criminal complaint released on Thursday claimed.