I want to add that Obscurity is ambiguous. Is changing the port of SSH "obscurity"? Some may say yes, because you could find it by bruteforce. But a password wi

I want to add that Obscurity is ambiguous. Is changing the port of SSH "obscurity"? Some may say yes, because you could find it by bruteforce. But a password with infinite attempts can also be bruteforced. Here, the defining factor of security is maximum number of attempts (either on ports, username or whatever).