Although not immediately obvious just from the name of this program, the reality is that Aircrack-ng is a WiFi monitoring and analysis tool that works to check the security of the WEP (Wired Equivalent Privacy) and WPA (Wi-Fi Protected Access) connection numbers.
With Aircrack-ng you can capture information packets from a specific network. Aircrack-ng includes diverse tools, like the Airodump for example, a sniffer that is responsible for capturing the packets for monitoring. It can perform a PTW attack, WEP dictionary attack, Fragmentation attack, it has a WPA Migration mode, improved cracking speed and can capture with multiple cards.
When you have captured enough packets, you have to load them into Aircrack-ng and leave it to decipher the key and find out which network they are from. This way you can know if your network is totally protected from others.
This Aircrack-ng program is very easy to download, install and then use, through its friendly and intuitive user interface. You don't need any technical experience at all to get the most out of it.
So there you have it. If you want to make sure your WiFi network is secure, then you need a program like this Aircrack-ng. And best of all is that you can download it for free! What are you waiting for?