A virulent new strain of ransomware known as WannaCry (Ransom.Wannacry) has hit hundreds of thousands of computers worldwide since its emergence on Friday, May 12. WannaCry is far more dangerous than other common ransomware types because of its ability to spread itself across an organization’s network by exploiting a critical vulnerability in Windows computers, which was patched by Microsoft in March 2017 (MS17-010). The exploit, known as “Eternal Blue” was released online in April in the latest of a series of leaks by a group known as the Shadow Brokers, who claimed that it had stolen the data from the Equation cyber espionage group.
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