Many IT managers have mixed feelings about deploying 802.11 wireless LANs. On one hand, they'd like to provide flexible, high-speed LAN access across the enterprise without using pesky cables. On the other hand, the weak security of 802.11's built-in Wireless Equivalent Privacy (WEP) algorithm is enough to give managers nightmares. (For a good synopsis of the security flaws in WEP, see "Security of the WEP algorithm" at http://www.isaac.cs.berkeley.edu/isaac/wep-faq.html.)

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