what are you most concerned about and has the u.s. responded offensively through retaliatory cyberattacks? >> well, you've asked two or three questions there. i'll take the last one first. there has been some responses. both from nsa and from the biden administration in terms of things like sanctions. so there have been responses, but i think we need to step that up. one of the problems is over the past 15 or 20 years as we've had these series of cyberattacks from north korea, russia, china, we really haven't responded. we've been a cheap date and you can't defend yourself simply by bobbing, weaving and patching. the accedversary has to realize there will be a cost for attacking the united states or our critical infrastructure and thus far they haven't felt that. i think that's a piece of this that we have to do. the other piece as you mentioned in your intro, we keep getting wakeup calls and keep not waking