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What is it?

Malicious code that encrypts files on a computing device, enabling an attacker to demand a ransom from the legitimate owner to recover the encrypted data.

Why is it important?

Numerous high-profile ransomware cases – including the May 2017 WannaCry ransomware attack that struck at least 50 organizations(WannaCry 2017) – have occurred over the last several years, involving medical centers, police departments, and government organizations. These occurrences show the negative impact ransomware can have on an organization’s operations and finances.

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