When it comes to WiFi security, WPA/WPA2 seems to be more secure and reliable than WEP encryption technique; however nothing is secure and everything has vulnerability and weaknesses in it. So a penetration tester or a hacker job is to find the vulnerability and exploit it to gain the desired level of access. Kali Linux has made the job easiest for the hackers by introducing a range of tools, many useful tools are listed in Kali linux that can make the process handy to crack the WiFi secret key (password).

This video tutorial teach you to scan the environment to select the target wireless network and how to crack wifi password: