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Hospitals, major companies and government offices have been hit by a massive wave of cyberattacks across the globe that seize control of computers until the victims pay a ransom.

Cybersecurity firm Avast said it had identified more than 75,000 ransomware attacks in 99 countries, making it one of the broadest and most damaging cyberattacks in history.

 Avast said the majority of the attacks targeted Russia, Ukraine and Taiwan. But U.K. hospitals, Chinese universities and global firms like Fedex (FDX) also reported they had come under assault.

Europol said Saturday that the attack was of an “unprecedented level and requires international investigation.”

The ransomware, called “WannaCry,” locks down all the files on an infected computer and asks the computer’s administrator to pay in order to regain control of them. The exploit was leaked last month as part of a trove of NSA spy tools.

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How a ransomware attack can affect emergency services (watch Video)

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Click link below for article and video:

http://money.cnn.com/2017/05/12/technology/ransomware-attack-nsa-microsoft/index.html

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