The Guiding Lights
March 30, 2006April 2006 • by Greg Shields
Security vs. Usability
Always remember that hardening your servers is a delicate balancing act of securing them and keeping them useable. It's your responsibility to enable only the most appropriate security policies.
For example, it's entirely possible -- and actually recommended in the guide -- to configure software restrictions on your network for default Disallowed. This means that no executables can run on your network unless you specifically permit them.
Source: http://www.redmondmag.com/