Understanding Authorization in SharePoint 2010

Authorization is an important aspect of any software application. You don’t want someone to access resources that the he is not supposed to even though he might have been successfully authenticated in the system. SharePoint has a robust authorization model, which is discussed in this section.

Authorization in SharePoint starts with the concept of permissions. Permissions represent authorization to perform some action. However, you do not assign permissions directly to a user. Permissions are grouped together to define a permission group. The permission groups are then assigned to a user or a SharePoint group.

You can see the SharePoint groups by going to People and Groups in the Site Settings. The ...

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