---
id: 5894
title: "AD Security 101: Domain Controller Security"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/ad-security-101-domain-controller-security/"
published_at: "2023-05-05T14:03:00Z"
tags: ["access-control", "active-directory", "hardening", "security", "domain-controller", "gpo"]
phying_url: "https://phying.com/item/5894"
lang: en
---

# AD Security 101: Domain Controller Security

## Summary

DC security essentials: promotion changes a server's logon model and access must be tightly restricted. GPOs linked to the Domain Controllers OU affect all DCs, so mistakes are high-impact.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2023-05-05T14:03:00Z
- **Original:** https://www.semperis.com/blog/ad-security-101-domain-controller-security/
- **Phying News:** https://phying.com/item/5894