Active Directory Hardening - DIY Lab
Difficulty: Medium OS: Windows Date Completed: 2026-10-26 Write-up Authored by: Ian Simons Lab Created by: Ian Simons Core Competencies: Defense in Depth Least Privilege Active Directory Hardening Group Policy Hardening Overview Recently I created an Active Directory lab where I successfully went from a low privileged user to a Domain Admin using attacks such as Kerberoasting and Pass-the-Hash (previous lab can be found here). This week I thought it would be a good exercise to take that lab and harden it as best I can to prevent this attack from succeeding again. I really enjoyed it. There is something special about attacking and then defending your own machine which is hard to put into words. ...