CIA Director John Brennan said he believes it is inevitable that the Islamic State group will try to stage an attack on American soil, and the growing threat of cyberwarfare “really is the thing that keeps me up at night.”
“The cyber environment can pose a very, very serious and significant attack vector for our adversaries if they want to take down our infrastructure, if they want to create havoc in transportation systems, if they want to do great damage to our financial networks,” he said in a Feb. 14 interview on CBS’ “60 Minutes.”
