17 Dec
2003
17 Dec
'03
11:17 p.m.
Bill Stewart writes:
Also, of course, your electrical power system needs to be shielded and filtered, so only 60Hz gets through, unless you plan to stick to laptops and bring in spare battery packs.
At HoHoCon a few years ago, someone did a tempest demo and mentioned that signals could be recovered from water pipes! Fire sprinkler systems were specifically mentioned... Theres a lot of different avenues for your eminations to be recovered, some you may not of have thought of. Like crypto, tempest is economics. andrew