IT Security Champion: DNS

In this course, we will dive into the essentials of DNS and its security implications. This course will teach you how to protect and optimize your network's DNS infrastructure.

In today's digital age, internet infrastructure security is paramount, yet often overlooked is the critical role that the Domain Name System (DNS) plays in overall network security. In this course, IT Security Champion: DNS, you'll learn to understand, manage, and secure DNS to enhance your IT infrastructure. First, you'll explore the fundamental concept of DNS, its function, and its relevance to IT administration, providing a solid foundation for further learning. Next, you'll discover the intricacies of how DNS requests work, including different scenarios that affect internet traffic flow and its vulnerabilities. Finally, you'll learn how to identify and mitigate DNS vulnerabilities such as DNS poisoning, tunneling, and exfiltration, and understand the application of advanced protocols like DNSSEC and DNS over HTTPS to secure DNS queries. When you're finished with this course, you'll have the skills and knowledge of DNS needed to effectively protect your organization's network and contribute significantly as a security champion.

• IT Security Champion: DNS 20mins