A growing number of cybersecurity firms, including BitDefender, Kaspersky Lab and Symantec, along with a cohort of independent cybersecurity researchers, say that the quickly spreading ransomware variant, known as Petya, is proliferating in part due to two previously leaked NSA hacking tools, codenamed EternalBlue and EternalRomance. This is not the first time in recent months that hackers combined leaked NSA computer code with ransomware to make their attacks more potent.

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