re once tapped your code is no good any more in article apr yuma acns colostate edu holland cs colostate edu douglas craig holland writes with e mail if they can t break your pgp encryption they ll just call up one of their tempest trucks and read the electromagnetic emmisions from your computer or terminal note that measures to protect yourself from tempest surveillance are still classified as far as i know note that tempest is the name of the shielding standard tempest is not the name of the surveillance technique ken shirriff shirriff sprite berkeley edu disclaimer this is what i ve heard and it s in the sci crypt faq so it s probably true but i can t guarantee it i d like to know if i m wrong
