Wi-Fi Security - Wi-Fi

What is Wi-Fi Security?

Security has been one of the major defect in WiFi, even though better encryption systems are now available. Encryption is considered optional in WiFi, and three different techniques have been defined. The techniques are given below −

Wired Equivalent Privacy (WEP)

An RC4-based 40-or 104-bit encryption with a static key.

WiFi Protected Access (WPA)

WPA is a new standard from the Wifi association which uses the 40 or 104-bit WEP key. But it changes the key on every packet. This changing key functionality is called the Temporal Key Integrity Protocol (TKIP).

IEEE 802.11i/WPA2

802.11i standard is finalized which is based upon more robust encryption technique called the Advanced Encryption Standard. The Wifi union label products that comply with the 802.11i standard as WPA2.

Still, implementing 802.11i requires a hardware upgrade.

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