Space can be secured by assigning a role to a specific user (or group) for that space.
A role refers to a set of permissions that can be applied to a folder.
Permissions are identified by a string. For example, a particular permission (say
ReadChildren) may be granted or denied to an authority, regardless of whether this is a user, a group, an administrator, an owner, and so on. The children of a node will inherit permissions from their parents. So, by default, the files in a folder will inherit their permissions from the folder. Permissions set on a node take precedence over permissions set on the parent nodes. The inheritance of permissions may be turned off for any node. A permission group is a convenient grouping of permissions ...