Cipher attack delivers heavy blow to WLAN security
The passive network attack takes advantage of several weaknesses in the key-scheduling algorithm of RC4 and allows almost anyone with a WLAN-enabled laptop and some readily available "promiscuous" network software to retrieve a network's key - thereby gaining full user access - in less than 15 minutes.
The new attack has implications for a wireless LAN market that is on the cusp of reaching critical mass. According to Frost & Sullivan, the WLAN's market value will approach $2 billion by the end of this year and spring to almost $5 billion by 2005.
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