Ettercap is a suite for man in the middle attacks on LAN (local area network ). It features sniffing of live connections, content filtering on the fly and many other interesting tricks.It supports active and passive dissection of many protocols (even ciphered ones) and includes many feature for network and host analysis. In this tutorial i will explain how to sniff (user names,passwords) in LAN using Ettercap

Its not tough to Hijack / Capture / Sniff Wifi Traffic on almost any network as long as you are connected to it. Once you apply all the correct tricks, all future traffic for Wifi clients i.e. laptops, mobiles will be routed from your PC, giving you every bit of information about what others are doing on the network.