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Active Directory - Authentication
5 students
Created byDavid Horák
Last updated 5/2025
English

What you'll learn

  • Dive deep into NTLM & Kerberos authentication – Gain a thorough understanding of how Windows authentication works and its security implications.
  • Analyze security weaknesses in authentication protocols – Learn how attackers exploit NTLM & Kerberos and how to secure them.
  • Understand Kerberoasting attacks – See how attackers abuse service tickets and implement defenses to mitigate the risk.
  • Explore the risks of Kerberos delegation – Learn how different delegation types work and when they pose security threats.
  • Master Kerberos Authentication Policies – Discover how to properly configure policies to enhance authentication security.
  • Implement security best practices – Apply industry-recommended configurations to harden authentication and reduce attack surfaces.

Course content

2 sections • 5 lectures • 1h 24m total length

  • Introduction1:31
  • Active Directory - Authentication1:08:58
  • Free Resources0:35
  • Exam

Requirements

  • Beginner-friendly, but basic knowledge of Active Directory and Windows OS is recommended for the best learning experience
  • No prior security expertise is required—everything will be explained in depth

Description

Authentication is the backbone of Windows security, yet many IT professionals lack a deep understanding of how it works. This course provides a comprehensive deep dive into Active Directory authentication mechanisms, focusing on NTLM and Kerberos, their weaknesses, and how to secure them against modern threats.


What You'll Learn:

  • NTLM Authentication – Understand how NTLM challenge-response works and why NTLMv1 is insecure.

  • Kerberos Authentication – Dive into Kerberos ticketing, encryption, and common attack techniques used to compromise AD environments.

  • Securing Authentication – Implement best practices like enforcing AES encryption, configuring Protected Users, and restricting delegation.

  • Common Attacks & Defenses – Learn about Kerberoasting and how to mitigate it effectively.

  • Real-World Security Best Practices – Explore advanced authentication policies and hardening techniques to protect your infrastructure.


By the end of this course, you’ll understand the inner workings of Windows authentication, recognize security gaps, and apply proven best practices to protect your Active Directory environment.


This course is packed with real-world insights from security audits, making it highly practical for IT admins, security professionals, and Windows engineers.


Do you want to truly understand authentication in Active Directory and Windows OS environment ?


Expand Your Knowledge – Be sure to check out our other security courses and free resources to strengthen your Windows infrastructure even further!

Who this course is for:

  • Windows Administrators securing enterprise environments
  • Cybersecurity Engineers analyzing authentication security
  • IT & Security Professionals responsible for AD hardening
  • Anyone managing or securing Windows Infrastructure and looking for a deep technical understanding of authentication weaknesses & best practices

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