GuardDuty detector disabled

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Metadata

Id: a25cd877-375c-4121-a640-730929936fac

Cloud Provider: AWS

Platform: CloudFormation

Severity: Medium

Category: Observability

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Description

Amazon GuardDuty must be enabled to provide continuous threat detection and alerting. Disabling it can allow malicious activity to go undetected and delay incident response.

The Enable property on AWS::GuardDuty::Detector resources must be set to true. This rule flags AWS::GuardDuty::Detector resources where Enable is explicitly set to false.

Secure configuration example:

MyDetector:
  Type: AWS::GuardDuty::Detector
  Properties:
    Enable: true

Compliant Code Examples

AWSTemplateFormatVersion: "2010-09-09"
Resources:
    mydetector:
      Type: AWS::GuardDuty::Detector
      Properties:
          Enable: True
          FindingPublishingFrequency: FIFTEEN_MINUTES

{
  "document": [
    {
      "AWSTemplateFormatVersion": "2010-09-09",
      "Resources": {
        "mydetector2": {
          "Properties": {
            "Enable": true,
            "FindingPublishingFrequency": "FIFTEEN_MINUTES"
          },
          "Type": "AWS::GuardDuty::Detector"
        }
      },
      "id": "f63e21c6-c58e-45cf-b7b4-6b548d9f7674",
      "file": "C:\\Users\\foo\\Desktop\\Data\\yaml\\yaml.yaml"
    }
  ]
}

Non-Compliant Code Examples

{
  "AWSTemplateFormatVersion": "2010-09-09",
  "Resources": {
    "mydetector4": {
      "Properties": {
        "Enable": false,
        "FindingPublishingFrequency": "FIFTEEN_MINUTES"
      },
      "Type": "AWS::GuardDuty::Detector"
    }
  }
}

AWSTemplateFormatVersion: "2010-09-09"
Resources:
  mydetector3:
    Type: AWS::GuardDuty::Detector
    Properties:
        Enable: False
        FindingPublishingFrequency: FIFTEEN_MINUTES