---
id: 5885
title: "How to Prevent a Man-in-the-Middle Attack: AD Security 101"
source_domain: semperis.com
source_url: "https://www.semperis.com/blog/ad-security-101-man-in-the-middle-attacks/"
published_at: "2023-07-13T20:21:28Z"
tags: ["active-directory", "credential-theft", "defense", "ntlm-relay", "ldap", "man-in-the-middle"]
phying_url: "https://phying.com/item/5885"
lang: en
---

# How to Prevent a Man-in-the-Middle Attack: AD Security 101

## Summary

Man-in-the-middle primer: attackers position between communicating parties to intercept and alter traffic. Covers AD-relevant forms—NTLM relay, LDAP relay—impacts like credential theft, and defenses.

## Intelligence Metadata

- **Sources:** semperis.com
- **Published:** 2023-07-13T20:21:28Z
- **Original:** https://www.semperis.com/blog/ad-security-101-man-in-the-middle-attacks/
- **Phying News:** https://phying.com/item/5885