The big picture: The call comes after a Russia-linked group is believed to be behind an attack on software provider Kaseya, the latest in a mass of ransomware attacks impacting U.S. companies. What they're saying: "President Biden underscored the need for Russia to take action to disrupt ransomware groups operating in Russia and emphasized that he is committed to continued engagement on the broader threat posed by ransomware," according to the White House. "President Biden reiterated that the United States will take any necessary action to defend its people and its critical infrastructure in the face of this continuing challenge."