5.3.1 Lifecycle policies - On this episode, we dive deep into Task Statement 5.3 of the AWS Certified Security - Specialty exam, focusing on designing and implementing controls for managing the lifecycle of data at rest. We explore how AWS engineers use Amazon S3 lifecycle policies to automate the storage, transition, and deletion of critical data, ensuring confidentiality, integrity, and availability while meeting compliance standards like GDPR, HIPAA, and SEC Rule 17a-4. Listeners will learn about configuring granular lifecycle rules using prefixes, tags, and object sizes, and how these policies integrate with encryption SSE-KMS, access controls, and auditing tools like CloudTrail for robust security and auditability. We also discuss the importance of coordinating lifecycle management across AWS services such as DynamoDB, RDS, and EFS, leveraging features like S3 Object Lock, tag-based filters, and AWS Backup for comprehensive compliance and cost optimization. Real-world scenariosincluding financial log retention, e-commerce backups, and healthcare data protectionillustrate practical strategies and solutions. Finally, we share best practices and advanced tips that will equip AWS professionals to tackle enterprise-scale requirements and ace the Security - Specialty exam.

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