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Active Directory Security

Get the latest updates from Active Directory Security directly as they happen.

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Latest posts

Last updated about 2 months ago

AD Fundamentals: Group Policy Permissions

3 months ago

This series of posts focuses on key Active Directory (AD) components that...

AD Fundamentals: Domain Root & AdminSDHolder Permissions

3 months ago

This series of posts focuses on key Active Directory (AD) components that...

AD Fundamentals: DSHeuristics

3 months ago

This series of posts focuses on key Active Directory (AD) components that...

AD Fundamentals: Pre-Windows 2000 Compatible Group

3 months ago

This series of posts focuses on key Active Directory (AD) components that...

AD Fundamentals: Domain Controller Security

3 months ago

This series of posts focuses on key Active Directory (AD) components that...

Detecting Fake Active Directory Password Changes

5 months ago

There has been a method that’s been around for many years which...

Active Directory Security Tip #16: Mitigating Kerberoast Attacks

7 months ago

There are two main password attacks leveraged by adversaries; one is called...

Active Directory Security Tip #15: Active Directory Domain Root Permissions

8 months ago

This week let’s look at Active Directory domain permissions which are configured...

Active Directory Security Tip #14: Group Managed Service Accounts (GMSAs)

9 months ago

Group Managed Service Accounts (GMSAs) User accounts created to be used as...

Improve Entra ID Security More Quickly

10 months ago

At BSides Northern Virginia (BSides NoVa) in October 2025, I presented a...

Microsoft Interview

10 months ago

A couple years ago, the Microsoft Security Experts Blog interviewed me regarding...

BSides NoVa 2025 Presentation Slides Posted

10 months ago

My BSides NoVa talk slides are now posted. My BSides NoVA talk...