> There's a long history of attackers reliably detecting logging keys with audio using just inter-keystroke latency and some histograms I wrote some fiction ab

> There's a long history of attackers reliably detecting logging keys with audio using just inter-keystroke latency and some histograms I wrote some fiction about this. The cosmic microwave background is hiding an audio signal. It's the sound of a keyswitch. Humanity uses the radio astronomy equivalent of these techniques to discover which keystroke caused the big bang.