common back end of Unix graphical user interfaces.

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How to mitigate risk of X11 buffer ghosting on window resize and X server shutdown

The Buffer "Ghosting" Phenomenon It is possible to observe contents of (old and currently used) graphics buffers on a monitor under certain circumstances, posing an information disclosure risk, when ...
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Wayland Partial Encryption for Mouse / Keyboard? (Also X and RDP)

Question What are the best practices for implementing Partial Encryption, to encrypt just the input devices (mouse/keyboard, etc), not the actual video display, during remote desktop sessions using X,...
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What is the security level of X2Go compared to that of X11 forwarding?

X11 forwarding through SSH has two security levels as determined by options ForwardX11 or ForwardX11Trusted. Enabling the latter is less secure "because other graphical (X11) client could sniff data ...