There are all sorts of crazy ways of getting data out of even air-gapped machines, providing you are willing to accept extremely low data rates to overcome attenuation. Even with million-to-one signal-to-noise ratio, you can get significant amounts of key data out in a few weeks.
Jiggling disk heads, modulating fan rates, increasing and decreasing power draw... all are potential information leaks.
There are all sorts of crazy ways of getting data out of even air-gapped machines, providing you are willing to accept extremely low data rates to overcome attenuation. Even with million-to-one signal-to-noise ratio, you can get significant amounts of key data out in a few weeks.
Jiggling disk heads, modulating fan rates, increasing and decreasing power draw... all are potential information leaks.
> There are all sorts of crazy ways of getting data out of even air-gapped machines.
Chelsea Manning apparently did it by walking in and out of the facility with a CD marked 'Lady Gaga'. Repeatedly
https://www.theguardian.com/world/2010/nov/28/how-us-embassy...