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Ransomware has long been the scourge of the cybersecurity industry. When that extortionate hacking goes beyond encrypting files to fully paralyze computers across a company, it represents not just a mere shakedown, but a crippling disruption. Now a nasty new breed of ransomware known as LockerGoga is inflicting that paralysis on industrial firms whose computers control actual physical equipment, and it's enough to deeply spook security researchers.