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NT AUTHORITY\Authenticated Users

Posted on 2013-11-11
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Who exactly is NT AUTHORITY\Authenticated Users? I am trying to risk assess who can access a certain folder and this group appears, but I cant find it in AD, who is in it? Why would you need to add that group to a particular folder ACL? Will removing it break anything?
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Question by:pma111
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by:Emmanuel Adebayo
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Authenticated Users includes all users whose identities were authenticated when they logged on.

http://support.microsoft.com/kb/243330

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by:pma111
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Sorry I dont really understand that - does it mean every user in the domain?
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by:Emmanuel Adebayo
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Yes these are the users that are autehnticated by your Active directory.
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by:pma111
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So in a nutshell if one of your folders grants read access to NT AUTHORITY\Authenticated Users - then every user in the network can access it?
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Emmanuel Adebayo earned 500 total points
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Yes, you are right.

You allow this account permission to your folder only when you are convinced that you are willing to grant whatever permission was set to all who can successfully log on to the domain network because the permission will allow access to this account for everyone in the domain. If you find that you don't want to grant premission to everyone for that folder, i suggest  you remove it.

regards
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