Security

T03 Defender for DNS: What It Is and Why Everyone Should Use It

August 12th, 2025

8:00am - 9:15am

Level: Introductory Intermediate

John O'Neill, Sr.

Chief Technologist

AWS Solutions

Most network IT Pros have heard, or said, “It’s always DNS” whenever a network fails. Every stereotype is born from experience, this is no exception. Many failures ARE the result of DNS failing or becoming compromised. While almost every network relies on DNS, few IT Pros take definitive action preventing attackers from exploiting DNS’s weaknesses and misconfigurations. It’s time we proactively protect DNS! Migrating DNS from on-premises to Microsoft Azure enhances reliability while reducing management. Configuring Microsoft Defender for DNS alongside Azure DNS proactively wraps an organizations DNS zones and records in a security bubble. With an Azure DNS/Defender for DNS deployment, IT Pros can rest easier knowing their DNS isn’t the weak link waiting for an attacker’s abuse!

You will learn:

  • How to migrate from on-prem DNS servers to Azure DNS
  • Deploying Defender for DNS
  • Using Defender for DNS to protect against common DNS threat vectors including DNS Tunneling, malware communication, and malicious domain communication