AusCERT, Australia's national computer emergency response team, released an advisory today identifying a vulnerability in the 802.11 wireless specification that could open wireless networks to denial-of-service attacks.

The advisory targets a new cause for concern among wireless network administrators. Until now, concerns about Wi-Fi security have focused on weak encryption and lack of authentication in WEP (Wired Equivalent Privacy), the native security mechanism in the IEEE 802.11 standard that defines wireless networking.

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