call him "darpa dan," and he says it's only right that the agency that brought us the internet find are it. how common are attacks, cyber- attacks, against the u.s. military? >> dan kaufman: it's common. >> stahl: it's common. a lot? >> kaufman: oh, yeah. >> stahl: every day? >> kaufman: every day. >> stahl: dan kaufman has been monitoring the rising cyber threat for six years as the head of darpa's information innovation office in arlington virginia. >> kaufman: the number of attacks is dramatically increasing. the sophistication of the attacks is increasing. so i... my job is not to wait for something catastrophic to happen and then say, "oh goodness, we should do something." my job is to say, "hmm, i see this trend line going. i want to be way ahead of this line." >> stahl: do you consider dealing with cyber war your main mission? >> kaufman: no. it's not my main mission, but it's about half my office. >> stahl: half your office is dealing with this? >> kaufman: absolutely. both offense and defense. >> stahl: one of their defensive inventions is this ambitious prototype that, when

what does darpa dan think. facebook page packed moments ago. here you go.n told this is the year of the stock picker. then why is one of the best in the business calling this the year of the haunted house market? yeah. we'll explain. today's menu. we're back after this. >> welcome back to power lunch. we are focussing on the energy sector, and the oil services name overall. just the past few moments here. we have had headlines and breaking news on hall burt orn. one of the biggest oil services company say that they will lay off between 6.5% to 8% of their global head count. this due to the challenging market environment. they did go on to say that no layoffs have occurred or are presently planned as a result of their pending abbing quization of bagger hughes. still, we're keeping an eye on those shares as well as the other big ones in the business. >> i know you do not cover halliburton, and you cannot comment on that directly. that said halliburton, one of the biggest. we've had other job cuts. do you believe there will be more job cuts and capital spendin