What is the difference between AWS KMS Customer Managed Keys (CMKs) and AWS Managed Keys in terms of control and cost?

AWS Cloud Practitioner Hard

AWS Cloud Practitioner — Hard

What is the difference between AWS KMS Customer Managed Keys (CMKs) and AWS Managed Keys in terms of control and cost?

Key points

  • CMKs allow customers to define key policies and audit usage
  • AWS Managed Keys are managed by AWS for specific services
  • CMKs cost $1/month plus API call fees
  • AWS Managed Keys have limited customer control over key policy and rotation

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