implications for the white house. but we begin with catherine herridge in washington and the latest on this cyber attack is what, catherine? good morning. >> reporter: well, thank you, bill, and good morning. the obama administration is still weighing its response to the cyber attack on sony with a member of the house homeland security committee who oversees cyber investigations telling "fox & friends" that the u.s. has to find the right balance. >> one of the key things you have is a discussion of proportionality and the recognition that any kind of acts have potential to escalate. and you also need to appreciate what's the motives behind a place like north korea? how much credibility do we give them in the world if we overreact? >> reporter: an intelligence source also tells fox news that the evidence does not point to north korea as the sole entity responsible for the attack, but rather, a main player with support from an outside party. outside party is really code for either iran, russia or china, bill. bill: what are we learning about the attack and how it worked,