24 hours after it first emerged, it has been called the first global, coordinated ransomware attack using hacking tools developed by the NSA, crippling over a dozen hospitals across the UK, mass transit around Europe, car factories in France and the UK, universities in China, corporations in the US, banks in Russia and countless other mission-critical businesses and infrastructure.

According to experts, “this could be one of the worst-ever recorded attacks of its kind.” The security researcher who tweets and blogs as MalwareTech told The Intercept, “I’ve never seen anything like this with ransomware,” and “the last worm of this degree I can remember is Conficker.” Conficker was a notorious Windows worm first spotted in 2008; it went on to infect over 9 million computers in nearly 200 countries. READ MORE