In March 2022, AWS announced support for custom certificate extensions, including name constraints, using AWS Certificate Manager (ACM) Private Certificate Authority (CA). Defining DNS name constraints with your subordinate CA can help establish guardrails to improve public key infrastructure (PKI) security and mitigate certificate misuse. For example, you can …

AWS Certificate Manager (ACM) is a managed service that enables you to provision, manage, and deploy public and private SSL/TLS certificates that you can use to securely encrypt network traffic. You can now use ACM to request Elliptic Curve Digital Signature Algorithm (ECDSA) certificates and associate the certificates …