Wi-Fi Protected Access
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Wi-Fi Protected Access is part of the IEEE 802.11i standard.

It is a system to secure WiFi networks, intended to replace the current, insecure WEP (Wired Equivalent Privacy) system.

WPA can be configured to work with an 802.1X system using an authentication server or through a pre-shared key. Data is encrypted using TKIP (Temporal Key Integrity Protocol) encryption, which dynamically changes as the system is used.

On 3 February 2004, the Wi-Fi Alliance announced the development of a minor upgrade to WPA, called WPA2. WPA2 was planned to be released "in the middle" of that year (Wi-Fi Alliance, 2004).

References

• Wi-Fi Alliance. (2004). Wi-Fi Protected Access? security sees strong adoption: Wi-Fi Alliance takes strong position by requiring WPA security for product certification. Retrieved January 5, 2004 from http://www.wi-fi.org/opensection/ReleaseDisplay.asp?TID=4&ItemID=165&StrYear=2004&strmonth=2

The original article can be found at: http://en.wikipedia.org/wiki/Wi-Fi_Protected_Access.
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