You already use teams and roles to control what your users can see and do in Sugar, but did you know that Admins have a complete toolkit of options available to control who's using your Sugar instance in the first place?
It's simple to add multiple layers of security to your Sugar instance by leveraging the following user-authentication tools - all of which are available in the admin panel:
For more information on all of these options and links to the related documentation, check out the Understanding Security Layers for User Authentication article in the Sugar Support Knowledge Base.