A Faraday cage in a can!

Wireless networking is a neverending headache for system and network admins, and not just because some makes and models of access points are so flaky, the could have come out of a box of cereal. When you crank up an RF transceiver, the signals go everywhere, which means that people outside of a building can at least see some traffic beyond the walls, and sometimes beyond the property line. I don't think that I have to go into what a security threat this is... normally, you can use a Faraday cage to contain the signals, but building such a construction …

Read more...