> My applications share an X11 display, and if I'm not mistaken, they are pretty well isolated from each other. You are probably mistaken. https://github.com/

> My applications share an X11 display, and if I'm not mistaken, they are pretty well isolated from each other. You are probably mistaken. https://github.com/esonn/x11log https://github.com/esonn/x11log http://blog.martin-graesslin.com/blog/2015/01/why-screen-lockers-on-x11-cannot-be-secure/ http://blog.martin-graesslin.com/blog/2015/01/why-screen-loc... You might want to look at qubesos : https://www.qubes-os.org/doc/gui/ https://www.qubes-os.org/doc/gui/