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[+]TyrellCorp0 points1 point1 point
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(edited ago)
[–]TyrellCorp0 points
1 point
1 point
(+1|-0)
ago
(edited ago)
Variations in hf signal on power lines has been used for spying since the 50s when an ee noticed tvs messed with his radio if not shielded. Project Tempest is still active, but partially declassified now. Short range is the limiting factor, although hf bridges, or filtering and sideband reamplification could mitigate that.
The tech has been around ages. I think it is just too expensive compared to stingeays, taps, and the like.
but there's a difference between project tempest and hooking up what's effectively an etherkiller to your computer and stealing your neighbor's credit card.
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[–] TyrellCorp 0 points 1 point 1 point (+1|-0) ago (edited ago)
Variations in hf signal on power lines has been used for spying since the 50s when an ee noticed tvs messed with his radio if not shielded. Project Tempest is still active, but partially declassified now. Short range is the limiting factor, although hf bridges, or filtering and sideband reamplification could mitigate that.
The tech has been around ages. I think it is just too expensive compared to stingeays, taps, and the like.
[–] TheGreatNico 0 points 1 point 1 point (+1|-0) ago
but there's a difference between project tempest and hooking up what's effectively an etherkiller to your computer and stealing your neighbor's credit card.