So, you know the X and Linux kernel devs have a policy of ensuring that you can never actually secure your desktop, right? https://www.jwz.org/xscreensaver/faq.html#no-ctl-alt-bs
- Bug#825581: xscreensaver: xscreensaver doesn't prevent Mumb... Peter S
- Bug#825581: xscreensaver: xscreensaver doesn't prevent... Tormod Volden
- Bug#825581: xscreensaver: xscreensaver doesn't pre... Peter S
- Bug#825581: xscreensaver: xscreensaver doesn't... Jamie Zawinski