KMS Key Policy and Envelope Encryption
Master AWS KMS key policies, envelope encryption, cross-service integration, and operational auditing — essential SAP-C02 encryption and data protection skills.
Lab Overview
Implement professional AWS KMS encryption patterns for SAP-C02 Domain 1 (Design Secure Architectures). Create customer-managed keys with custom key policies granting least-privilege access. Perform envelope encryption using data keys generated from KMS with local OpenSSL encrypt/decrypt. Configure S3 default encryption with KMS and demonstrate transparent server-side decryption. Integrate SNS with KMS for encrypted message delivery. Build a CloudWatch-based audit trail monitoring KMS API call patterns — the encryption and key management foundation tested across architecture design and security review scenarios.
What You'll Learn
Create CMKs with custom key policies leveraging the KMS resource policy model
Perform envelope encryption using generated data keys and local OpenSSL operations
Configure S3 buckets with default KMS-based server-side encryption
Integrate KMS with SNS for encrypted cross-service messaging
Build CloudWatch metric filters and alarms on KMS API audit patterns
Prerequisites
Understanding of AWS KMS concepts (CMK, data keys, key policies)
Familiarity with AWS CLI and basic encryption terminology
Technologies Covered
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