In this section, you'll build a strong foundation in AWS encryption and key management, learning how to protect sensitive data using AWS cryptographic services and security best practices. You'll begin by exploring AWS Key Management Service (KMS) and gain an understanding of how encryption keys are created, managed, and used to secure data across AWS services while maintaining centralized control over key usage. As you progress, you'll gain hands-on experience working with AWS KMS through practical demonstrations. You'll learn how to create and manage customer-managed keys, configure key policies, apply policy conditions and grants, and control access to encryption keys. You'll also discover how AWS KMS integrates with Amazon S3 and Amazon EBS to provide seamless encryption for data at rest and explore how VPC endpoints enable secure communication with AWS KMS without traversing the public internet. The section further introduces AWS CloudHSM and AWS Certificate Manager (ACM), helping you understand how dedicated hardware security modules provide enhanced cryptographic key protection and how SSL/TLS certificates can be provisioned and managed to secure applications and communications. Together, these services enable you to implement comprehensive encryption and key management strategies across AWS environments. By the end of this section, you'll have a solid understanding of AWS encryption and key management services, including AWS KMS, AWS CloudHSM, and AWS Certificate Manager, enabling you to securely manage cryptographic keys, protect sensitive data, and implement encryption best practices across AWS workloads.