Bottom line: Security leaders must migrate ACM public certificates from email validation to DNS validation by September 30, 2027, to avoid certificate disruptions.
What's happening: AWS Certificate Manager (ACM) will discontinue support for email-validated public certificates starting September 30, 2027. This change aligns with the Certifi
What to do: Security leaders should review their ACM public certificate configurations and migrate to DNS validation before September 30, 2027, to ensure uninterrupted certificate issuance.