Wi-Fi Protected Access (WPA)
The direct response to the weaknesses of WEP is Wi-Fi Protected Access (WPA). WPA works around the same basic principal as WEP, but does it in a much less flawed way. There are two basic ways WPA can be used, depending on the level of security you require. Most home and small office users will use WPA Personal security, which is solely based on an encryption key.In this setup, your access point and wireless clients share a key that is encrypted by either the TKIP or AES methods. Although this sounds exactly like WEP, the encryption methods used in WPA are far different and much more complicated to crack.
The other method of WPA implementation is to combine the use of a WPA encryption key with 802.1Xauthentication, discussed in the next section.
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