zlacker

>>molecu+(OP)
All these little wires [0] emit electromagnetic radiation that be intercepted and turned back into whatever you see (and more).

Despite what you read on Hacker News no amount of encryption or software trickery is going to stop this.

[0]: http://imgur.com/IHXKlNw

>>mwti+r3
I like to believe that converting those EM signals back into something useful is beyond the ability of current technology, but I'd be happy to be proven wrong

>>colejo+Q3
This has been a known/practical attack for decades. OTOH, it does require physical proximity, although you could probably do it with a remotely controlled sensor at an intermediate location near the target.

What would be terrifying would be if someone could figure out how to do this attack via software compromise of some hardware sensor system already present throughout the environment; say, a way to repurpose a wifi chipset to pick up nth-order harmonics off a keyboard bus or something. Then, remote-root of some lesser machine could be used to spy on a hardened machine.