ElastiCache replication group must have in-transit encryption enabled

High AWS General aws-elasticache-replicationgroup-encryption-in-tra

Applies to

AWS::ElastiCache::ReplicationGroup

What CGPulse checks

A resource passes this rule when transitEncryptionEnabled must equal true. Anything else is reported as a finding with the evaluated property value attached as evidence.

How to fix it

Enable encryption in transit to protect data from interception during replication. In AWS Console: ElastiCache > Replication groups > enable Transit encryption. See: https://docs.aws.amazon.com/AmazonElastiCache/latest/red-ug/in-transit-encryption.html

Terraform

resource "aws_elasticache_replication_group" "{name}" {
  transit_encryption_enabled = true
}

Compliance frameworks

Cloud Security: AWS Foundations
GDPR: Data Protection Controls
HIPAA: Health Information Protection164.312(e)(1)
ISO 27001: Information SecurityA.10.1.1
NIST 800-53: Cloud Security ControlsSC-8
PCI DSS v4.04.2.1

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