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WPA and WPA2 (Wi-Fi Protected Access) is a certification program developed by the Wi-Fi Alliance to indicate compliance with the security protocol created by the WiFi Alliance to secure wireless networks. The Alliance defined the protocol in response to several weaknesses researchers had found in the previous system: Wired Equivalent Privacy (WEP). Many sophisticated authentication and encryption techniques have been embedded into WPA2 but it still facing a lot of challenging situations. In this paper, the authors discuss the benefit of WPA2, its vulnerability & weakness. This paper also present solutions or suggestions which will improve Wi-Fi Protected Access 2 (WPA2) protocol.
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