After the installation of Microsoft® Windows® Server 2003, the built-in accounts Administrator and Guest exist on the Web server. In some instances, potential attackers can exploit these well known accounts unless they are renamed or disabled.
The Administrator account can be renamed, but cannot be disabled. The Guest account can be renamed and disabled. To help prevent potential attackers from exploiting these accounts, do the following:
Rename the Administrator account.
Rename and disable the Guest account.
Credentials: Membership in the Administrators group on the local computer.
As a security best practice, log on to your computer using an account that is not ...