A security-oriented OS
Isolationist
Article from Issue 253/2021
Andrew David Wong discusses the Qubes OS project's security-by-compartmentalization approach, including an endorsement from Edward Snowden.
Qubes OS is one of the most original security solutions available. Using the Xen hypervisor, Qubes divides computing into security domains, or "qubes" (Figure 1) – including the root-like Dom0 – and incorporates them into the desktop menu (Figure 2). For other routine operations, such as copying to an external drive, Qubes OS creates a disposable qube that is discarded after the operation is complete (Figure 3). Recently, community manager Andrew David Wong explained more about Qubes OS in response to Linux Magazine's questions.
Figure 1: The Qubes OS desktop. Note the color coding for different security domains.
Figure 2: Qubes simplifies security by adding its security domains, or qubes, to the menu.
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