Wifi hacking – WPA/WPA2 WiFi password hacking using aircrak-ng (ubuntu)

WAP2 -PSK (Wi-Fi Protected Access II with a pre-shared key for wireless security) is a replacement of WEP. It uses a stronger encryption algorithm, AES, which is very difficult to crack but not impossible.The weakness in the WPA2-PSK system is that the encrypted password is shared in what is known as the 4-way handshake. When a client authenticates to the access point (AP), the client and the AP go through a 4-step process to authenticate the user to the AP. If we can grab the password at that time, we can then attempt to crack it.

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