AWS Security: Securing Hosts, Networks, and the Edge

In an era of sophisticated cloud threats, securing your infrastructure at every layer is no longer optional. This text-based course provides a clear, step-by-step pathway to safeguarding your hosts, networks, and edge services within the AWS ecosystem. You will transition from basic cloud awareness to confidently implementing multi-layered security architectures. By studying written explanations, analyzing configuration examples, and reviewing security policies, you will learn how to defend your cloud assets against unauthorized access and external attacks. What you'll learn: - Understand foundational cloud security concepts, terminology, and the AWS Shared Responsibility Model. - Configure secure host environments using AWS Systems Manager, secure AMIs, and robust patch management. - Design secure virtual private clouds (VPCs) using security groups, network ACLs, and AWS Network Firewall. - Implement edge security defenses to protect web applications using AWS WAF, Shield, and CloudFront. - Apply zero-trust principles and modern IAM policies to restrict access and enforce least privilege. - Monitor and analyze network traffic using VPC Flow Logs and AWS security monitoring tools. The course starts with essential security definitions and foundational concepts before moving systematically through host-level protection, network isolation, and edge defense configurations. You will learn through detailed written walkthroughs and real-world security policy templates without the need for visual demonstrations. This course is designed for beginner cloud administrators, security enthusiasts, and developers looking to establish a strong security posture in AWS. No prior cloud security experience is required. Start reading today to build a resilient and secure AWS infrastructure.