Not really. You can have security with any system where security was present in the design phase and not trying to retrofit it into the implementation without g

Not really. You can have security with any system where security was present in the design phase and not trying to retrofit it into the implementation without giving up much of UX. Non if these operating system we use today were designed with security in mind because at the era they were created there was no need for security, half of the problems we know today simple did not exist. SELinux is great but extremely hard to get it right.