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Workspace without encryption

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Metadata

Id: cloudformation-aws-workspace-without-encryption

Provider: AWS

Platform: CloudFormation

Severity: High

Category: Encryption

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Description

User volumes for Amazon WorkSpaces must be encrypted to protect sensitive user data at rest and to reduce the risk of data exposure if storage media, snapshots, or backups are compromised.

In CloudFormation, AWS::WorkSpaces::Workspace resources must include Properties.UserVolumeEncryptionEnabled set to true. Resources that omit this property or set it to false will be flagged. Ensure the property is explicitly defined as a boolean true in your template so encryption is enforced for user volumes.

Secure configuration example:

MyWorkSpace:
  Type: AWS::WorkSpaces::Workspace
  Properties:
    BundleId: ws-bundle-id
    DirectoryId: d-xxxxxxxxx
    UserName: example-user
    UserVolumeEncryptionEnabled: true

Compliant Code Examples

Resources:
  MyWorkSpace:
    Type: AWS::WorkSpaces::Workspace
    Properties:
      BundleId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - BundleId
      DirectoryId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - DirectoryId
      UserName: !Ref 'UserName'
      UserVolumeEncryptionEnabled: true

Resources:
  MyWorkSpace2:
    Type: AWS::WorkSpaces::Workspace
    Properties:
      BundleId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - BundleId
      DirectoryId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - DirectoryId
      UserName: !Ref 'UserName'
      UserVolumeEncryptionEnabled: 'true'

{
  "Resources": {
    "MyWorkSpace": {
      "Type": "AWS::WorkSpaces::Workspace",
      "Properties": {
        "BundleId": [
          "WSTypeMap",
          "WorkstationType",
          "BundleId"
        ],
        "DirectoryId": [
          "WSTypeMap",
          "WorkstationType",
          "DirectoryId"
        ],
        "UserName": "UserName",
        "UserVolumeEncryptionEnabled": true
      }
    }
  }
}

Non-Compliant Code Examples

Resources:
  MyWorkSpace:
    Type: AWS::WorkSpaces::Workspace
    Properties:
      BundleId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - BundleId
      DirectoryId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - DirectoryId
      UserName: !Ref 'UserName'

Resources:
  MyWorkSpace2:
    Type: AWS::WorkSpaces::Workspace
    Properties:
      BundleId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - BundleId
      DirectoryId: !FindInMap
        - WSTypeMap
        - !Ref 'WorkstationType'
        - DirectoryId
      UserName: !Ref 'UserName'
      UserVolumeEncryptionEnabled: false

{
  "Resources": {
    "MyWorkSpace": {
      "Type": "AWS::WorkSpaces::Workspace",
      "Properties": {
        "BundleId": [
          "WSTypeMap",
          "WorkstationType",
          "BundleId"
        ],
        "DirectoryId": [
          "WSTypeMap",
          "WorkstationType",
          "DirectoryId"
        ],
        "UserName": "UserName"
      }
    }
  }
}