inSSIDer
One of my favorite tools is called inSSIDer by MetaGeek. inSSIDer is a wireless network scanner. It was meant to replace NetStumbler, which was a Microsoft Windows Wi‐Fi scanner. There is a free version with limited features called inSSIDer Lite, and you can download it from https://www.metageek.com/products/inssider/free/.
inSSIDer intercepts information from wireless devices and will report all of the wireless networks that are nearby. It will report details such as the SSID of the WAP and what channels the device is using, as well as signal strength, the physical type of the WAP, if it's secured, and the minimum/maximum data rate. You also get a graph of the WAPs divided up by channels 2.4 and 5 GHz. In Figure 6.2, you see that inSSIDer Lite captures the SSID of the broadcasting router, channel, signal, 802.11 type, and kind of security that is being used as well as minimum and maximum data rates.
Figure 6.2: inSSIDer capture of Wi‐Fi
If you know what...
