SNS Topic should have server-side encryption enabled

sns

Description

Enable Server-Side Encryption for your AWS Simple Notification Service (SNS) topics.

Rationale

Server-Side Encryption (SSE) protects the data of published messages within your SNS topics, which can help adhere to compliance and regulatory requirements.

Remediation

From the console

Follow the Enabling server-side encryption (SSE) for an Amazon SNS topic docs to learn how to enable encryption from the AWS Management Console.

From the command line

Run set-topic-attributes with the ARN of the SNS topic and the KmsMasterKeyId.

set-topic-attributes.sh

aws sns set-topic-attributes
  --topic-arn arn:aws:sns:region:123456789012:YourTopic
  --attribute-name KmsMasterKeyId
  --attribute-value YourTopicDisplayName