Shut down the power grid? >> they do. i think that there are very malign actors who are trying even as we speak. >> natasha, do her comments echo the level of concern inside the white house? >> definitely. the white house is concerned about ransomware as a national security threat and made it a key priority for this administration, especially following two major ransomware attacks against critical infrastructure countries in the u.s. president biden does plan to raise this issue with russian president vladimir putin when he sees him in geneva later this month. many of the groups that have wage...