WPA stands for Wi-Fi Protected Access. It’s a type of security protocol for wi-fi accessing developed by the Wi-Fi Alliance to secure wireless computer networks.

It was introduced with the 802.11i wireless standard in 2003. A new version was released in 2006 known as WPA2 which is more secure and advanced as compared to previous version of WPA.

Characteristics of WPA:

• It provides support for authentication servers or RADIUS servers.
• It offers built-in authentication support.
• Produces better encryption than WEP.

Disadvantages of WPA:

• Lack of forward secrecy
• Weak password.

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