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AWS OpenSearch Service Domain is Publicly Accessible

Overview​

This check ensures that OpenSearch service domains are not publicly accessible by looking into the domains specific access policy. Publicly accessbile domains are subject to exposure to sensitive data to bad actors, this check ensures that unsigned requests are stopped before harm is done. It is recommended that each OpenSearch domain is to be launched within a VPC for safer communication.

Vendor​

AWS

Cloud Service​

OpenSearch

References​

https://docs.aws.amazon.com/opensearch-service/latest/APIReference/API_AccessPoliciesStatus.html, https://docs.aws.amazon.com/opensearch-service/latest/developerguide/ac.html, https://docs.aws.amazon.com/opensearch-service/latest/APIReference/API_DomainConfig.html

Severity​

5

Item Types​

AWS::OpenSearch::Domain