AWS Certificate Manager (ACM) is a managed service that lets you provision, manage, and deploy public and private Secure Sockets Layer/Transport Layer Security (SSL/TLS) certificates for use with Amazon Web Services (AWS) and your internal connected resources. Starting October 11, 2022, at 9:00 AM Pacific Time, public certificates obtained through ACM will be issued from one of the multiple intermediate certificate authorities (CAs) that Amazon manages.

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