> For the complete documentation index, see [llms.txt](https://cortex-docs.paloaltonetworks.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://cortex-docs.paloaltonetworks.com/appsec-rules/iac-security/storage/appsec-aws-5.md).

# AWS Elasticsearch domain Encryption for data at rest is disabled misconfiguration detected in code

## Rule Details

|                        |                                                       |
| ---------------------- | ----------------------------------------------------- |
| Cortex AppSec Rule ID  | APPSEC\_AWS\_5                                        |
| Category - Subcategory | Storage - Encryption                                  |
| Provider               | AWS                                                   |
| Severity               | LOW                                                   |
| Framework              | CloudFormation, Serverless, Terraform, Terraform Plan |
| Mapped CSPM/KSPM Rule  | bbd8196f-89c4-4018-8f28-cbad9e2a6841                  |

## Impact

This rule identifies Elasticsearch domains for which encryption is disabled. Encryption of data at rest is required to prevent unauthorized users from accessing the sensitive information available on your Elasticsearch domains components. This may include all data of file systems, primary and replica indices, log files, memory swap files and automated snapshots. The Elasticsearch uses AWS KMS service to store and manage the encryption keys. It is highly recommended to implement encryption at rest when you are working with production data that have sensitive information, to protect from unauthorized access.

## How to Fix

*Resource:* AWS::Elasticsearch::Domain

* *Argument:* Properties.EncryptionAtRestOptions.Enabled

To mitigate this issue, ensure that the `EncryptAtRestOptions` property in the `AWS::Elasticsearch::Domain` resource is properly configured to enable encryption at rest.

## Example: \[source,go]

## { "Resources": { "ExampleElasticsearchDomain": { "Type": "AWS::Elasticsearch::Domain", "Properties": { "DomainName": "example", "EncryptAtRestOptions": { "Enabled": true } ... } } } }

## Resources: ExampleElasticsearchDomain: Type: AWS::Elasticsearch::Domain Properties: DomainName: example EncryptAtRestOptions: Enabled: true ...


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