Defcon 20 visitors get their own 'pirate' cellular network in Ninja Tel, exclusive One V to match - 22:51 cellular Defcon exclusive match Network Ninja pirate their visitors +
Defcon 20 badges meld hieroglyphs, circuitry and cryptography for hacker scavenger hunt - 01:14 badges circuitry cryptography Defcon Hacker hieroglyphs scavenger +
