Broadcom 54g® features comprehensive Wi-Fi security including support for Wi-Fi Protected Access (WPA) for home networks, and WPA2 and Cisco Compatible Extensions (3.0) for Enterprise networks.

Wi-Fi Security Advances

WEP WPA WPA2 (802.11i) Encryption Flawed, crack by scientists and hackers Fixes all WEP's flaws Advanced Encryption Standard (AES)   40-bit keys 128-bit keys 128-bit keys   Static key - same key used by everyone on the network Dynamic session keys. Per user, per session, per packet keys Dynamic session keys. Per user, per session, per packet keys   Manual distribution of keys - hand typed into each device Automatic distribution of keys Automatic distribution of keys Authentication Flawed, used WEP key itself for authentication Strong user authentication, utilizing 802.1X and EAP Strong user authentication, utilizing 802.1X and Extended EAP

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More information on WPA2 from the Wi-Fi Alliance:
http://www.wi-fi.org/OpenSection/protected_access.asp