Capture the flag might be only a game, but it was serious business at DefCon, the world's largest annual computer hacker convention. For 36 straight hours, eight teams of experienced hackers and serious security professionals played predator and prey as they tried to hack into competitors' networks while defending their own. . . .
Capture the flag might be only a game, but it was serious business at DefCon, the world's largest annual computer hacker convention. For 36 straight hours, eight teams of experienced hackers and serious security professionals played predator and prey as they tried to hack into competitors' networks while defending their own.

From my front-row seat as a member of the winning team, Sk3wl of R00t (hacker slang for "School of Root," where "root" refers to gaining administrator access to a system), I got a bird's-eye view of how new - and not so new - attacks could be launched and thwarted.
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Each qualified team playing the game - organized by a Seattle security community group called the Ghetto Hackers - controlled a pair of Windows machines running a variety of network and Web-based services that were connected to each other and a central scoring mechanism called the Scorebot via a Gigabit Ethernet network. Rest assured, this hacker network was not connected to the Internet.

As soon as the doors to the secluded hacker playground disguised as a hotel ballroom were opened at 10 a.m. July 30, the air was tense in this crowded room. The game scenario and the legitimately purchased Windows images were presented to participants two hours before the official noon start time. How would you like to have to lock down two Windows boxes in just two hours as you started to recognize that there were world-class exploit developers in the room - and on your network?

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