Wireless Video
May 2nd, 2008
Is it possible to detect non-wireless video surveillance?
I've been reading the "Rain" series of contemporary fiction novels, and Rain (an assassin) has a detector he keeps in his pocket that "detects" some kind of wave length (side-band? or similar I think it was called) that video camera's produce. The detector also detects audio surveillance. The author never differentiates between wireless and hard-wired devices, this little thing picks up everything within about 10 meters or so if I recall correctly.
I'm just wondering if that is actually possible or if it is literary license. If it is possible, how?
http://en.wikipedia.org/wiki/TEMPEST
That link says that current through a wire generates an electric field that can be intercepted. So not only can the field be detected, it can be read. This is called van eck phreaking.
http://www.brickhousesecurity.com/sf-103.html
Turn out the lights, hold a light right in front of your eye pointed away from you, look for lens glare.
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