In this comprehensive video, Ian Olson, Sr. Security Solution Architect with AWS, explains Distributed Denial of Service (DDoS) attacks and how AWS Shield and AWS WAF provide protection. He details the mechanics of DDoS attacks, categorizing them into infrastructure and application layer attacks. Olson then delves into the capabilities of AWS Shield and AWS WAF, demonstrating how these services work together to detect and mitigate threats. The video covers the basics of setting up these services, their cost models, and the benefits they offer in safeguarding AWS resources from layer 3 to layer 7 of the OSI model. This informative presentation is essential for anyone looking to enhance their cloud security posture against DDoS and other cyber threats.