For thousands of people, the first time they heard of "ransomware" was as they were turned away from hospitals in May 2017. The WannaCry outbreak had shut down computers in more than 80 NHS organizations in England alone, resulting in almost 20,000 canceled appointments, 600 GP surgeries having to return to pen and paper, and five hospitals simply diverting ambulances, unable to handle any more emergency cases. But the outbreak wasn't the birth of Ransomware, a type of computer crime which sees computers or data hijacked and a fee demanded to give them back to their owners. Some of the earliest ransomware claimed to be a warning from the FBI demanding a "fine", simply tricking users into...