Lynis security controls

Authorized and unauthorized users should know that the system is monitored and deter unauthorized users from attempting to log in.

Make users aware that systems are monitored and their privacy might be limited, if required by legal requirements or law. Add a banner to /etc/issue to warn users.

Make users aware that systems are monitored and their privacy might be limited, if required by legal requirements or law. Add a banner to /etc/issue.net to warn users.