Forensics: Monitor Active Directory Privileged Groups with PowerShell

Someone just now added Jimmy to the Domain Admins group! How do I know? Because I used PowerShell to check. Let me show you how. Some of the best customers that I visit get email pages when high value group memberships change. Obviously this is strongly encouraged for IT shops of any size. Of course…

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PowerShell to Find Where Your Active Directory Groups Are Used On File Shares

Happy St. Patrick’s Day!  Enjoy some PowerShell limericks here.  Download today’s script from the TechNet Script Gallery. Where are my AD groups used? Today's post gives you a script to crawl your file shares and document the AD users and groups referenced in NTFS permissions.  I’m sure others have published similar scripts, but I want…

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Using PowerShell to Find Stale and Duplicate Active Directory Groups

PowerShell… “My mop!” One of the undisputed greatest movies of all time was UHF in 1989.  Stanley Spadowski and his mop were an amazing force for good.  He gave us all an important life lesson… “Life is like a mop.  Sometimes it gets dirty, and you have to clean it out.” I have often told…

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Active Directory PowerShell SIDHistory Module Update 1.5

To see all of the articles in this series visit https://aka.ms/SIDHistory. I would like to thank everyone who has been using the Active Directory SIDHistory PowerShell module and sending me feedback.  Your input helps guide future releases like the one I am publishing today. I’ve been sitting on some updates for a while, because I…

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Active Directory OU Permissions Report: Free PowerShell Script Download

Who owns your OUs? Have you ever lost your keys? It is a scary feeling. Someone out there could have keys to your house and your car. Your personal safety could be at risk. The same is true in Active Directory.  Do you know who has the keys to all of your accounts? The Problem…

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AD Group History Mystery: PowerShell v3 REPADMIN

I remember back in high school the janitor had this massive ring of keys on his belt.  The keys would jingle with each step as he pushed the broom down the hall.  It was like his own percussion section accompanying the tune he whistled.  So what does this have to do with PowerShell? The Scenario…

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