• emizeko [they/them]
        ·
        edit-2
        3 years ago

        PC keyboards send a distinctly different electrical signal for each key and that's what TEMPEST picks up

    • crime [she/her, any]
      ·
      3 years ago

      Nah, it's definitely possible. I know someone who did an audio only analysis of mechanical keyboard input and was able to reproduce the text