In May of 2017, a massive malware attack that came to be known as "WannaCry" struck over 200,000 computers in more than 100 different countries. An infected machine had much of its crucial data encrypted, which the attackers would then decrypt (for a price). In the UK, WannaCry targeted the National Health Service — an especially terrifying prospect for anyone who has ever handed their personal data over to a physician or clinic. Ultimately, WannaCry was killed by a stroke of good luck, but not before the people who unleashed it made a quick $50,000. This isn't a time to rest easy. The danger is still out there, but fortunately, there's a lot that you can do to prevent it.
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Written by Curiosity Staff July 7, 2017
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