AWS Security Blog
Author: Travis Brown
How to Automatically Update Your Security Groups for Amazon CloudFront and AWS WAF by Using AWS Lambda
July 29, 2025: This blog post is outdated. Use CloudFront’s managed prefix list for Security Groups instead of the Lambda solution. CloudFront now supports VPC origins, allowing secure connectivity to private VPC resources. For details on managed prefix lists, see this post. For VPC origins implementation guide, refer to this post. April 1, 2021: Before […]