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security: enable encryption at rest for DynamoDB and SQS#70

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dwsmith1983 merged 2 commits intomainfrom
security/encryption-at-rest
Mar 14, 2026
Merged

security: enable encryption at rest for DynamoDB and SQS#70
dwsmith1983 merged 2 commits intomainfrom
security/encryption-at-rest

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Summary

  • DynamoDB tables now explicitly enable server-side encryption (AWS-managed key by default)
  • SQS queues (alerts + stream-router DLQs) now use KMS encryption (alias/aws/sqs by default)
  • New optional kms_key_arn variable for custom CMK when full key control is needed
  • Conditional IAM policies for Lambda roles when using a custom CMK
  • Fully backwards compatible — no CMK required, zero cost with AWS-managed keys

DynamoDB tables now explicitly enable server-side encryption (AWS-managed
key by default). SQS queues (alerts + DLQs) now use KMS encryption
(alias/aws/sqs by default). Optional kms_key_arn variable allows
bringing a custom CMK for full key control and rotation.

Conditional IAM policies grant Lambda roles kms:Decrypt and
kms:GenerateDataKey only when a custom CMK is provided.
@github-actions github-actions bot added deploy Deployment and ASL docs Documentation labels Mar 14, 2026
@dwsmith1983 dwsmith1983 force-pushed the security/encryption-at-rest branch from 243c265 to 1a0b859 Compare March 14, 2026 04:17
@dwsmith1983 dwsmith1983 self-assigned this Mar 14, 2026
@dwsmith1983 dwsmith1983 merged commit 472d942 into main Mar 14, 2026
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@dwsmith1983 dwsmith1983 deleted the security/encryption-at-rest branch March 14, 2026 04:18
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