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.