Ensure each ECS Container image has a pinned (tag) version

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In Amazon Elastic Container Service (ECS), a container image is a packaged and self-contained version of an application or service that can be deployed in a container. An image tag is a label that is applied to an image to identify a specific version of the image. The "Ensure each ECS Container image has a pinned (tag) version" means that each container image used in ECS should have a specific and unique tag version. This helps ensure that the same version of the container image is used consistently across all ECS tasks, and that any changes made to the image are properly tracked and versioned. By using image tags, ECS can identify and track changes made to container images over time, and ensure that the correct version of the image is used in each ECS task. This can help prevent issues with inconsistent versions of container images, and simplify troubleshooting and issue resolution when problems do occur.‍


The following are the remediation steps to ensure that each ECS Container image has a pinned (tag) version:

  1. Review the ECS task definition files to identify which container images are being used.
  2. Update the ECS task definition files to include a specific and unique tag version for each container image. This tag should be pinned to a specific version and should not use the "latest" tag, which can be a moving target.
  3. Save and apply the changes to the ECS task definition files.
  4. Verify that the updated task definitions have been applied by checking the ECS console or using the AWS CLI or SDK.
  5. Ensure that the new tagged versions of the container images are available in the designated container image repository or registry.
  6. Test the updated ECS tasks to ensure that they are running correctly with the newly tagged container images.

By following these steps, you can ensure that each ECS Container image has a pinned (tag) version, helping to prevent issues with inconsistent container image versions, and enabling easier troubleshooting and issue resolution.

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Note: Remediation steps provided by Lightlytics are meant to be suggestions and guidelines only. It is crucial to thoroughly verify and test any remediation steps before applying them to production environments. Each organization's infrastructure and security needs may differ, and blindly applying suggested remediation steps without proper testing could potentially cause unforeseen issues or vulnerabilities. Therefore, it is strongly recommended that you validate and customize any remediation steps to meet your organization's specific requirements and ensure that they align with your security policies and best practices.