This video introduces GuardDuty Runtime Monitoring for Amazon ECS, including Fargate ECS, providing fully managed threat detection for container workloads. AWS experts demonstrate how to enable the service across organizations, showing its seamless integration from both security administrator and application builder perspectives. The presentation covers the key benefits of runtime monitoring, including detailed visibility into container-level activities, process information, and enhanced threat detection capabilities. It also showcases real-world examples of how GuardDuty can detect and provide context for threats like crypto mining and reverse shells in ECS environments. The video highlights the service's ease of use, minimal performance impact, and integration with existing AWS security tools.