* https://docs.aws.amazon.com/elasticsearch-service/latest/developerguide/encryption-at-rest.html[AWS Documentation] - Encryption of data at rest for Amazon Elasticsearch Service
* STIG Viewer - https://stigviewer.com/stig/application_security_and_development/2023-06-08/finding/V-222588[Application Security and Development: V-222588] - The application must implement approved cryptographic mechanisms to prevent unauthorized modification of information at rest.