3
votes
2answers
323 views

What to do when GSM/Wifi is jammed and ethernet cables are cut?

So.. There are household alarm systems (to defend against burglars) which send SMS/e-mail alerts if an intruder has been detected or an alert is trigged. However, Mobile networks can be jammed, and ...
3
votes
1answer
381 views

Measuring SNR to detect jammers in Wi-Fi networks

I'm trying to figure out a way to detect a Wi-Fi 2.4 GHz signal Jammer. I am not looking into locating the location of the jammer but rather detect the jamming signal. How do i do so using only ...
5
votes
4answers
804 views

How can one defend against DoS attacks at the physical layer?

Of course, there's always the odd issue of old microwaves and wireless telephone handsets interfering with Wi-Fi performance. And, in many areas, there's a fair chance that you're going to have to ...