AWS Certified Data Analytics Specialty 2021 – Hands-On - KMS Key Rotation

The video tutorial explains key rotation for customer-managed CMKs, focusing on both automatic and manual methods. Automatic key rotation occurs annually, keeping the CMK ID the same while changing the backing key. Manual rotation allows for more frequent changes, creating a new CMK ID. Using aliases is recommended to manage key changes seamlessly, ensuring applications remain unaffected. The tutorial concludes with exam tips, emphasizing the importance of understanding key rotation periods and alias usage.

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