Re: How Long?
Let's not forget Windows 10 was MORE susceptible to Wannacry than XP was, as XP fell over and blue screened but Windows 10 would carry on and happily infect any other network computer it could find...
Let's not pretend for a moment this makes the NHS secure, it doesn't for 2 very big reasons:
1/ it's Windows, which is still a steaming pile of vulnerability hell.
2/ the people that were responsible for patching NHS systems in a timely manner are still in charge...