AWS Security Blog
Author: Chandan Kundapur
ACM will no longer cross sign certificates with Starfield Class 2 starting August 2024
February 20, 2026: We updated the first question in the FAQ to list to add Amazon ClodFront as a representative AWS service with an example. This is not the full list of services that consume certificates from ACM and should only be used as a reference. November 13, 2025: We updated the first question in […]