WannaCry: What we know so far…

An unprecedented cyber-attack by a ransomware variant known as WannaCry, which encrypts a computer’s files and then demands payment to unlock them, has propagated at a speed never before seen by cybersecurity researchers and is impacting targets worldwide. So far it has taken a major toll on operational services at targets including Telefonica in Spain, the National Health Service in the UK, and FedEx in the US with European countries, including Russia, being among the worst hit.

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