Out-of-the-box Alfresco supports an extensive set of permissions to provide security controls. Alfresco supports a set of roles by grouping these permissions. The security permissions and roles can be extended. However, before extending the permissions and roles, you need to evaluate and understand existing permissions and roles and justify the decision for extending them.
Alfresco supports a number of permissions to access the spaces, content, their properties, and so on. The following are some of the permissions for spaces:
ReadProperties: Read space properties
ReadChildren: Read the content within a space
WriteProperties: Update properties such as title, description
DeleteNode: Delete space ...