Ian Payne is Leading Britain's Conversation.
15 May 2017, 15:48
Friday’s cyber-attack affected more than 200,000 people in 150 different countries - here’s everything you need to know in order to protect your own computer.
Experts described last week’s incident as “the biggest ransomware outbreak in history”.
Here in Britain, the NHS was one of the worse struck, with 47 trusts hit by the ransomware known as Decryptor or WannaCry.
With further spikes expected, watch the video above to discover how to protect your personal desktop.