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J Thompson avatar Server

Auditing Domain Administrators - Best practice / Advice needed please

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J Thompson

Please do advise if I am posting in the wrong place, I have not found this the easiest site to navigate (or maybe it is me...).

I have been tasked with auditing and fixing our privileged accounts after a Microsoft CSAT scan. I have inherited an absolutely shocking number of accounts that are 'affective domain administrators' - 293!

It seems the previous attitude has been security anethema - giive service accounts Domain Admin status to ensure they are not part of the problem... sigh

I have investigated numerous powershell options and come to the conclusion that I need to:

  1. Find out which SERVERS each account is authenticating against (Inluding DCs obviously).
  2. Find out the least required access for each server.
  3. Amend access accordingly and test.

Would anyone be able to advise on the best way to proceed please?

Thank you in advance.

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Jevgenij Martynenko avatar
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Jevgenij Martynenko
It is pretty much impossible to secure this amount of admin accounts without creating a downtime. So first thing first - make sure your manager has adequate expectations - things will break in the process.
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twconnell
You'll want to start with enabling AD auditing on the DCs to identify which areas of the directory these accounts are making changes. Also implement a restricted groups GPO to move away from using Domain Admins for local administrator access and to groups with more granular access. Then you can start moving these accounts into a lesser privileged group and delegate directory access where necessary.
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