1. A computer system, comprising: a display device having a screen for displaying images; and a security application defining a list of security rules for locking down resources of said computer system, said security application configured to categorize said rules into a plurality of categories and to display at least one of said categories on said screen, said security application configured to determine which of said rules are associated with said one category in response to a selection of said one category by a user of said computer system, said security application configured to display on said screen each of said rules associated with said one category in response to said selection, said security application further configured to allow said user to enable ones of said rules and to cause said computer system to enforce said enabled ones of said rules by modifying a machine state of said computer system.