Worthless really if a person has SNORT (and I do). It is common and free. But, even if you password protect YOUR SSID, if you have a Comcast modem they are generally putting out "xfinitywifi" as part of their network (yet another reason to not use their modem/wifi).
If you broadcast your SSID I have 50% of what I would need to get in. The password? Childs play (and the kids are very good at playing with this from their Androids and iPhones).
My point however more so is all of the overlapping channels that are out there - they are the cause of the issues, not the insecure world of 802.11(x)
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