What does security have to do with the Center Park School? In the context of the school, "security" means both ensuring only authorized persons have access, but also—once they log in to the site—presenting them with information that only they should see. In this context, "only they should see" is not meant to imply they are being unfairly blocked from full access, but rather that the information presented to them is customized to their specific interests (or in the case of a student, information pertaining to their specific curriculum). You will recall from Chapter 15 and the discussion of calendars, a key functionality requirement of the Center Park Web site is being able to organize and neatly present information to those who utilize the site. By also including a secure login, this adds to the ability to customize the information presented, and, in general, makes the site more user-friendly.