A team of eight University of Washington students will wage war this weekend against an expert force, defending their territory with stealth tactics and on-the-fly invention.
But there are no physical weapons involved. There's not even a physical battleground.

For the fourth year in a row, the team will compete in the National Collegiate Cyber Defense Competition, in which teams from around the country attempt to shield a computer system from professional hackers aiming to cause havoc ranging from stealing trade secrets to turning home pages into random YouTube videos. To qualify for nationals, the UW team triumphed over seven other teams at a regional competition in March.

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