Black Hat 2014

Genevieve Netter is silhouetted against a Black Hat logo during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

People dressed as Vikings pose in front of the Norse booth during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014. Norse is a computer security company that provides live attack intelligence.

Black Hat conference

Dan Greer, chief information security officer for In-Q-Tel, delivers the keynote address during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., August 6, 2014.

Black Hat conference

Black Hat founder Jeff Moss speaks during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

Computer security expert Mikko Hypponen of Finland speaks on "Governments As Malware Authors: The Next Generation" during briefing at the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

Glenn Wilkenson, left, of SensPost, an information security company, demonstrates a technique for collecting unique, identifiable information from mobile devices during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

Quan Ngo, center, an information technology research analyst from Canada, takes a selfie with Rocky Fain, left, and John Cook at the Securonix booth during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

K.C. McGaffey, second from right, and John Dimmer, right, compete in the "Hacker Kombat" challenge at the WhiteHat Security booth during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 6, 2014.

Black Hat conference

Tani Currin, marketing events manager for computer security software and hardware developer Sophos, holds an "anti-selfie" mask during the Black Hat USA 2014 hacker conference at the Mandalay Bay Convention Center in Las Vegas, Nev., Aug. 5, 2014. The mask is part of a privacy awareness marketing campaign, she said. Sophos is a developer of computer security software and hardware.