They are called white hats – the good guys in the Wild West of the Internet – and they ride to the rescue as in the case of the 22-year-old British expert who helped stop the WannaCry cyberattack.
The young cybersecurity researcher, known only by his Twitter handle @MalwareTechBlog, says he found a weakness by chance that allowed slowing the spread of WannaCry, a type of malware called ransomware that encrypts files on an infected computer and demands money to unlock them.
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