Monitoring and Auditing in AWS is a practical guide designed to help developers, architects, and security professionals build robust visibility into their cloud environments. As organizations increasingly rely on AWS to power critical workloads, the ability to track activity, detect anomalies, and respond to potential threats becomes essential. This booklet explores the core services, patterns, and best practices that enable effective monitoring and auditing across AWS, providing a clear path to strengthening security posture, ensuring compliance, and maintaining operational resilience in modern cloud-native systems.