The latest ransomware attack used an alleged NSA exploit

An alleged NSA hacking tool has again surfaced to haunt the world.
Organizations across the globe — including Boryspil International in Kiev, Ukraine, a Russian oil company and an advertising company in the United Kingdom — have stalled out on Tuesday as a type of ransomware known as Petya has locked up their computers, demanding bitcoin in exchange for the return of those computers' functionality.
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The tool the