Biden ramps up pressure on Putin over ransomware attacks, warning the US will take 'necessary action' to defend itself

President Joe Biden and Russian President Vladimir Putin in Geneva, Switzerland.
Mikhail Metzel/Getty Images
Biden in a phone call on Friday ramped up pressure on Putin to address cyberattacks.Biden said he made it clear to Putin he expects him to act when cyberattacks emanate from Russia.
This came a week after a massive ransomware attack affected up to 1,500 companies in the US, Europe, and Asia.See more stories on Insider's business page.
President Joe Biden on Friday urged Russian President