I suppose it depends on if we&#x27;re talking about server-focused OSes or desktops - for the desktop, there&#x27;s Qubes[1] and I think it would be fair to say ChromeOS[2] should be mentioned...<p>1: <a href="https:&#x2F;&#x2F;www.qubes-os.org&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.qubes-os.org&#x2F;</a>
2: <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Chrome_OS#Security" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Chrome_OS#Security</a>