press secretary jen sack toe discu psaki to discuss the latest on the invasion in ukraine. hackers deploying malware and warning executives to be vigilant and shore up their defenses. abc s chief white house correspondent pierre thomas with a look inside nsa efforts to combat potential cyber attacks. with the uk crisis the threat of all-out cyber war perhaps has never been greater. if russia pursues cyber attacks against our companies, our critical infrastructure, we are prepared to respond. the kremlin has an army of hackers at its disposal. we ve seen from past russian cyber attacks or operations launched out of russian soil that they can have an impact on either critical infrastructure here and critical industries. the u.s. has far-reaching capabilities of its own. welcome to dream port. this is one of two labs.