Car computer hacking hit the gas on the first morning of Defcon 21, as hackers revealed how they took over two of the most popular cars in America.
Stanford University scientists have developed a lithium-ion battery that warns users long before it overheats and explodes.
In the wake of revelations about the NSA's PRISM program, Defcon's founder asks federal government employees to skip this year's hacker convention.
While Blackphone sales are off to a lukewarm start, our hands-on with the privacy-obsessed smartphone finds that it simplifies staying secure on the go.
Speaking at Defcon, the notorious security expert lambastes what he sees as Google's destruction of privacy.
At the Defcon hackers convention, a security research group proposes an automobile cyber safety rating system that could go far beyond hacking cars.
Embattled email guru Ladar Levison updates the DefCon crowd on encrypted email project DarkMail and asks for help from the hacker faithful to get what may be his final email project done.
Security firm Qihoo 360 says hackers gained control of some Tesla Model S functions -- but skimps on details of how the car was hacked.
An adapter sold with older models of the iPhone could overheat, says Apple, so you can swap it for a redesigned version.
Complaints about sexual harassment at the world's largest hacker conference prompt discussion about treatment of women in a largely male security community.