Qubes OS - A reasonably secure operating system
Qubes OS is a free and open-source, security-oriented operating system for single-user desktop computing. Qubes OS leverages Xen-based virtualization to allow for the creation and management of isolated compartments called qubes.
- Qubes OS website
- Joanna Rutkowska blog - she worked on QubeOS, she’s also a researcher and published various papers on InfoSec