DNS Security (Client Perspective)

Course Overview

The Domain Name System (DNS) is a hierarchical decentralized system that assists humans in not needing to memorize long strings of numerical IP addresses. It has become so ubiquitous, that it forms part of critical information infrastructure, and with many businesses relying on its continued stability and security.

This course will examine the complex interactions of this system, from domain registration to name resolution, the security risks of each component, and the mitigation options currently available.