estima statement before this committee, quote, we have peer competitors in cyber space and some of them have already hinted they hold the power to cripple our infrastructure and set back our standard of living if they choose. i would like you for the record to outline which of our peer competitors might be the closest to choosing to use their power. >> as i have publicly said before, the russians are the peer competitor to us. but i look at other nations. you look at china, for example, the level of capability and investment they're making. i'm watching their abilities rise significantly. iran, north korea currently at a moderate level. clearly the level of investment, the capability we're seeing, and their willingness to employ cyber in some very aggressive ways that would be way beyond our normal risk calculus is a concern. >> i think it is the general assumption that you all have said that our systems can be