Security is an essential aspect of wireless networks because such networks are a shared and open medium with no default protection so everyone can access it. The solution to confidentiality issues is to encrypt the data that flows through a Wi-Fi environment so that only people who are authorized can transmit and receive data.
The original 802.11 standard was not built with great security features in mind. The first WLAN security mechanism was WEP (Wireless Equivalent Privacy) and it emerged with the 802.11b standard. WEP offers different levels of encryptions, with keys of 64 or 128 bits . . .
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