The X11 Security extension from the 1990s
blog - git - desktop - images - contact The X11 SECURITY extension from the 1990ies It's widely known that X11 has a problem with, for example, keyloggers. The issue is not that keyloggers are possible through security holes -- but keyloggers are trivial on X11, as they are part of normal operation and don't require exploits. It is one of the reasons why people push for Wayland. I recently came across the X11 SECURITY extension, which is part of a normal X.Org installation. Quick overview of