Global cyber attack that uses stolen NSA superweapon cripples the world – as hackers hold every British hospital to ransom and cause chaos in 74 countries

British hospitals and clinics forced to turn away patients on Friday when their computers became injected by ‘ransomware’ in massive cyber attack
Malicious software blocked access to computers and demanded payments to restore access and scrambling data
Experts say attack used hacking tools identified by the US National Security Agency in documents that were stolen
Hackers are believed to have exploited the NSA code, which was released to the world by a group known as the Shadow Brokers last month
Victims have been reported in 74 countries including Germany, Spain and USA