A support technician conducts system hardening after provisioning a server.

Why is system hardening such a vital practice? $($Select three.$)$

System hardening involves patching the operating system.

System hardening reduces the attack surface of a system.

System hardening eliminates monitoring software.

System hardening stores operating system configuration information.

System hardening eliminates the need for employee security training.

System hardening includes configuring security policies.

System hardening includes disabling unnecessary services.