setting-up-cloudwatch-alarm-notifications

To set up CloudWatch alarm notifications via SNS, you create encrypted SNS topics, apply topic policies granting CloudWatch publish access, subscribe endpoints like email or SMS, and link the alarm actions to the topic.

Yes, you can encrypt SNS topics for CloudWatch alerts. Encrypting notification data at rest ensures compliant and secure delivery of your alerts across multiple regions.

You can subscribe email, SMS, and HTTPS webhook endpoints to receive AWS alarm notifications. The configuration links CloudWatch alarms to the SNS topic for reliable alerting across these channels.

You test CloudWatch alarm notifications by triggering the linked alarms to verify endpoint delivery. The configuration provides guidance and integration examples to validate that email, SMS, and webhook alerts route correctly.

You need a policy for CloudWatch to publish to SNS to grant the required service permissions. Creating and applying this access policy ensures CloudWatch alarms can successfully trigger notifications on the encrypted SNS topic.