Verifies that Elasticsearch domains utilize encryption at rest to secure sensitive data, aligning with PCI DSS and NIST standards.
| Rule | Elasticsearch domains should have encryption at-rest enabled | 
| Framework | PCI v3.2.1 | 
| Severity | ✔Medium | 
Rule Description:
To ensure compliance with PCI v3 standards, all Elasticsearch domains must have encryption at-rest enabled. This security measure helps protect sensitive data stored within the Elasticsearch domain from unauthorized access or breaches.
Troubleshooting Steps:
If encryption at-rest is not enabled, follow these troubleshooting steps to remediate the issue:
Necessary Codes:
To enable encryption at-rest for the Elasticsearch domain, you may need to alter the configuration settings. Depending on the Elasticsearch version and setup, the specific code may vary. Below is a general code snippet to enable encryption at-rest:
PUT /<your-elasticsearch-domain>/_settings
{
  "settings": {
    "index": {
      "blocks": {
        "read_only_allow_delete": "false"
      }
    }
  }
}
Replace
<your-elasticsearch-domain>Step-by-Step Guide for Remediation:
Follow these steps to enable encryption at-rest for your Elasticsearch domain:
By following these steps and enabling encryption at-rest for your Elasticsearch domains, you can ensure compliance with PCI v3 standards and enhance the security of your Elasticsearch data.