A British man hailed as a hero for stopping a global cyber-attack that was threatening the NHS has pleaded guilty to US malware charges. Marcus Hutchins, 24, has pleaded guilty to two charges related to writing malware - or malicious software - court documents show. Writing on his website, Hutchins said he regretted his actions and accepted "full responsibility for my mistakes". Hutchins has been held in the US since he was arrested by the FBI in 2017. "As you may be aware, I've pleaded guilty to two charges related to writing malware in the years prior to my career...