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Cyberattack could be one of the world's largest ransomware hacks

The Russia-based cyber gang REvil is demanding a $70 million ransom in what could be one of the world's largest ransomware attacks. CBS News senior investigative correspondent Catherine Herridge details the scope of the attack and the group's ties to the Russian government and CBSN technology reporter Dan Patterson discusses what motivates these types of hacker groups.
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