A common requirement of any secure website is to make sure that when a user traverses to a "sensitive" part of the website such the login page, the password reset page or even the personal profile page which might contain contact detail you...

The MSDN's Managing Profiles section of the commerce server gives an in-depth view of the working of the profile system and the steps needed to create custom properties for the UserObject. The Extending the Profile System section gives out detailed steps...