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.
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.
Random error messages, suspicious voice message numbers, fuzzy screens, and jammed networks had some hackers worried.
If four rotors aren't enough for you, how about six? Parallax shows off a hexcopter mod for its popular, hackable ELEV-8 quadcopter kit at Defcon.
Looking for a high-grade door lock? How about a satellite phone? Or maybe you've been craving a Wi-Fi Pineapple? Whatever gadget you desire, chances are you can buy it in the vendor room at Defcon.
Known for its quadcopter ELEV-8 robot kit, Parallax demos a mod kit at Defcon that turns the programmable copter into a six-rotored, radio-controlled, heavy-duty flying robot.
The Ninja group has a reputation for doing some of the most innovative hacks at Defcon. This year it took to the airwaves and built a private cell phone network that runs only a custom flavor of Android called Ninja OS.
National Security Agency Director Gen. Keith Alexander calls Defcon the "world's best cybersecurity community" and asks for their help.
This year's hacker show has something for everyone, from hardware hacking and zero-day contests to con games and nerd-core rappers. Plus: Black Hat ropes in Apple to talk iOS security.
Security experts say Bluetooth and Wi-Fi are bad and virtual private networks and EVDO modems are good at security shows, but the best thing is just to leave the equipment at home.