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Cybersecurity teams investigate largest global ransomware attack on record

Cybersecurity teams are investigating the single largest global ransomware attack on record. The attack was launched by the Russia-linked cyber group REvil and impacted thousands of organizations and businesses in at least 17 countries. On Sunday, the group demanded a $70 million ransom. CBS News homeland security and justice reporter Nicole Sganga joins CBSN AM with the latest.
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