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Active Directory Hardening

Close the classic attack routes in an on-premises domain, one lab at a time.

Level Advanced Steps 6, including 5 labs Time about 9 hours

The steps

  1. GuideBeginner20 min
    PAM Foundations

    PAM basics explained: what counts as privileged, the attack path, vaulting, rotation, session brokering, just-in-time access and the enterprise access model.

  2. LabIntermediate75 min
    Audit Privileged Groups and AdminSDHolder in Active Directory

    Use PowerShell to list every member of Domain Admins and other privileged AD groups, find stale admins and orphaned adminCount accounts, and clean them up.

  3. LabIntermediate100 min
    Find Kerberoastable Service Accounts and Move Them to gMSA

    Find Kerberoastable service accounts in Active Directory with PowerShell, rank them by risk, then replace one with a group Managed Service Account (gMSA).

  4. LabIntermediate90 min
    Deploy Windows LAPS for Local Administrator Passwords

    Deploy Windows LAPS in Active Directory: extend the schema, set permissions, configure Group Policy, retrieve a password and prove that it rotates.

  5. LabAdvanced120 min
    Build a Tiered Admin Model in Active Directory

    Build a three tier admin model in Active Directory with separate admin accounts, an OU structure and Group Policy logon restrictions, then test that it holds.

  6. LabAdvanced120 min
    Hybrid Identity Hardening

    Protect the bridge between on-premises Active Directory and Entra ID, the most abused identity path.

    Finish by protecting the path to the cloud.

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