There has been lots of interesting and useful information coming out of this years security conferences (Defcon, BlackHat, What the Hack) ,but just about the only thing getting press is the Cisco IOS Vuln and Mike Lynn story. Here are some other articles of interest: Hacking hotel Infrared systems, Lock picking, WiFi World Record (125 miles), KegBot, VoIP Encryption, Car Whisperer (Previously Posted), and the annual Wall of Sheep.

There is a large list of sites with pictures from defcon 13 at defconpics.org