Given your username, you might find this interesting: https://en.m.wikipedia.org/wiki/Tempest_(codename) https://en.m.wikipedia.org/wiki/Tempest_(codename) TE

Given your username, you might find this interesting: https://en.m.wikipedia.org/wiki/Tempest_(codename) https://en.m.wikipedia.org/wiki/Tempest_(codename) TEMPEST considered almost everything from electromagnetic leakage to exactly the attack described here.