On Wed, 17 Jul 2019 21:28:25 -0500
golinux@??? wrote:

> https://thehackernews.com/2019/07/linux-gnome-spyware.html

Since the keylogging functionality was unimplemented, I was reminded of
a point of trivia. With the microphone or in combination with the
screen grabs, a sort of tempest attack could be made to get keystrokes.

Some old papers (search for "keyboard"):

https://people.eecs.berkeley.edu/~tygar/publications.htm

(I haven't read up on this myself)