> Problem: Computers are vulnerable to eavesdropping via power lines
How much of a problem is this? Is this a merely theoretical possibility, is it actively being exploited? What are the information leakage risks as compared to e.g. internet advertising, NSA surveillance, malware?
> In order to prevent this kind of eavesdropping we have designed a USB device that dissipates energy with a carefully crafted spectrum...
2 comments
[ 3.7 ms ] story [ 12.0 ms ] threadHow much of a problem is this? Is this a merely theoretical possibility, is it actively being exploited? What are the information leakage risks as compared to e.g. internet advertising, NSA surveillance, malware?
> In order to prevent this kind of eavesdropping we have designed a USB device that dissipates energy with a carefully crafted spectrum...
How much electricity does this use?
http://en.wikipedia.org/wiki/TEMPEST
The power usage is on average 100mA.