Which AWS service or feature will search for and identify AWS resources that are shared externally?

Explanations:

Amazon OpenSearch Service is primarily used for search and analytics on data. It does not specifically focus on identifying AWS resources that are shared externally.

AWS Control Tower is a service that automates the setup of a secure, multi-account AWS environment based on best practices. It does not provide functionality for identifying externally shared resources.

AWS IAM Access Analyzer analyzes permissions granted using IAM policies and helps identify resources shared externally by evaluating resource-based policies. It effectively identifies resources shared outside of your AWS account.

AWS Fargate is a serverless compute engine for containers that allows you to run containers without managing servers. It does not have features for identifying externally shared AWS resources.