Which below statements are true

$$ High level system services in Linux, such as ssh$,$ syslog, ntpd must run as root.

$$ Bugs in security policy implementation significantly impact computer systems security.

$$ The main challenge for passwords as means for user authentication is the human factor.

$$ An enclave cannot isolate a database system.

Which below statements are correct

$$ Scaling up a secure threat model does not negatively impact its security.

$$ A container in UNIX grants full access to the entire main file system without any restrictions or need for explicit configuration.

$$ Security of computer systems is about reaching defined security goals despite adversaries.

$$ Security policy issues are related only to rare and exceptional use cases of computer systems, with no relevance to common use cases.