Enter the following command to de authenticate the client in the new terminal window. Now, we have to de authenticate the client against the AP in case they’re already authenticated. Note: Do not quit the command being executed in the terminal till the 6th step. Here, 09:98:98:98:98:98 is the bssid of the network copied from the above step, -c 1 is the channel number, psk is the file in which the captured traffic would be written and wlan0mon is the network interface that is being monitored. Now, we have to attack a specific network, so in order to do that, we will capture the traffic on that network and will start the capturing of the 4-way handshake. Enter the following command to get the list of all the available network interfaces. The airmon-ng tool is used to work with network interfaces. List all the available network Interfaces.

Though there are many other ways as well to crack a wifi password the one with wordlist is the easiest to use and is widely used by the attackers. After getting the encrypted key we try a specific wordlist in order to crack the encrypted password. In Wi-Fi hacking, we capture the 4-way handshake packet and look for the encrypted key in those packets. When a user authenticates through the Access Point the user and the Access Point have to go through a 4-way Handshake in order to complete the authentication process. WPA PSK 2 has a vulnerability which is that the password in the encrypted form is shared by means of a 4-way handshake. When it comes to security nothing is 100% flawless and so as with WPA PSK 2. This WPA 2 uses a stronger encryption algorithm which is known as AES which is very difficult to crack. These days the Wi-Fi networks are more secure than the older days, These days most wireless access points use WPA(Wi-Fi Protection Access) 2 Pre Shared Key in order to secure the network.

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