Shreeraj Shah, founder and director of Net-Square, is the co-author of Web Hacking: Attacks and Defense published by Addison Wesley. He has presented at conferences including HackInTheBox, RSA, Blackhat, Bellua, CII, and NASSCOM.
To secure a wireless network you must first determine the state of the network and then provide a defense against intrusions. Enter Scapy, a packet-crafting tool written in Python.