Is there a way to clear the clipboard completely? In addition to that, any option to also have a timer based auto-clean of clipboard too? Often times, the guest OS is not trusted or Whonix itself is used to store sensitive info such as private keys. Having something to deal with this would be really a welcome move. What you think?
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My strong recommendation is to run Whonix in QubesOS, where secure cut and paste is a solved problem. I don’t know anything about running Whonix in a non-Qubes environment.
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I believe KeePassXC has an auto-clear clipboard function
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Yes, KeePassXC has a 10 second clipboard timeout by default:
I also suggest Qubes-Whonix like @rideordie if the option is available for you.
Can we rely on KeePassXC? Tails had faced issues with this exact thing. Yes, still this is an option but for this to work the program needs to run. If that is correct, than any malicious website or any other factor can get clipboard info.
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Yes if you use Qubes-Whonix as already mentioned in this topic.
A solution covering all deployment would help so many more here. Qubes in itself a hardened environment leaving others vulnerable to such issues. Hope Whonix gets a way to perform a thorough wipe of clipboard so more users can be protected.
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Solving your issue by providing a practical solution takes precedence in this topic.
Should be unspecific to Whonix.
Solutions can be investigated as per: