The entire premise of modern operating system security is wrong. We keep trying to find and fix every bug before attackers exploit them, and we keep losing. Qubes OS takes the opposite approach: assume exploitation is inevitable and architect the system so that compromising one application cannot touch anything else.
For developers who need isolated testing environments, journalists protecting sources, or anyone tired of pretending their browser should have access to their SSH keys, this is how security actually works. nostr:naddr1qqgrqetrxy6kzd3hxqckzcn9x9jkvq3qklkk3vrzme455yh9rl2jshq7rc8dpegj3ndf82c3ks2sk40dxt7qxpqqqp65w2sh6kr