3 ms·

Something like this maybe? https://www.theguardian.com/world/2013/jul/11/russia-reverts-paper-nsa-leaks https://www.theguardian.com/world/2013/jul/11/russia-re

• mc32 7y ago
  Heh. But do they stay true to that protocol?
• knicholes 7y ago
  I could swear there was something recent I've read about determining which keys are being pushed by hearing the sound of the keyboard...
  • secfirstmd 7y ago
    Yeh it was used many times during the Cold War by both sides.
  • Reelin 7y ago
    Are you thinking of this recent paper about acoustic side channel attacks on smartphones? Hearing your touch: A new acoustic side channel on smartphones (http://arxiv.org/abs/1903.11137 http://arxiv.org/abs/1903.11137)
    • knicholes 7y ago
      Oh wow! This wasn't the one I was talking about, but very cool nonetheless. It's similar, but with keyboards. I hate posting this without evidence, but I think there was also something having to do with watching a plant or a pane of glass vibrate to know what is being said inside a room. The keyboard noise and the vibrations may also be unrelated. If I can find these articles, I'll come back and post them here.
  • jmkni 7y ago
    I have a bad habit of mumbling to myself what I am typing, when there is nobody around, sometimes I will even read aloud what I just typed back to make sure it makes sense. If I was to use a Typewriter, you could probably put a recording device inside it and work out what I was writing about that way.