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AWS AWSCloudFormation documentation change

Service: AWSCloudFormation · 2025-04-14 · Documentation low

File: AWSCloudFormation/latest/UserGuide/aws-properties-msk-cluster-encryptionatrest.md

Summary

Added details about KMS key usage for encryption at rest and update restrictions

Security assessment

Documents encryption-at-rest implementation details without referencing a security incident

Diff

diff --git a/AWSCloudFormation/latest/UserGuide/aws-properties-msk-cluster-encryptionatrest.md b/AWSCloudFormation/latest/UserGuide/aws-properties-msk-cluster-encryptionatrest.md
index d82107ce6..10ba35a21 100644
--- a//AWSCloudFormation/latest/UserGuide/aws-properties-msk-cluster-encryptionatrest.md
+++ b//AWSCloudFormation/latest/UserGuide/aws-properties-msk-cluster-encryptionatrest.md
@@ -7 +7 @@ SyntaxProperties
-The `EncryptionAtRest` property type specifies Property description not available. for an [AWS::MSK::Cluster](./aws-resource-msk-cluster.html).
+The data-volume encryption details. You can't update encryption at rest settings for existing clusters.
@@ -32 +32 @@ To declare this entity in your AWS CloudFormation template, use the following sy
-Property description not available.
+The ARN of the Amazon KMS key for encrypting data at rest. If you don't specify a KMS key, MSK creates one for you and uses it.