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Cis AWS Compute 3.10

DevOps & Security
cis-aws-compute-3.10

Cis AWS Compute 3.10 is an Agent Skill for devops & security published in the CyberStrikeus/CyberStrike repository on GitHub: a SKILL.md instruction file an AI agent can load to do this task.

Ensure Amazon ECS services are tagged

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How to use this skill

Bring this guide into your coding agent with a prompt tailored to the tool you use.

  1. Open your project in Codex.
  2. Copy and paste the prompt below.
  3. Review files and risks before approving any action.
Prompt to paste
Inspect the Agent Skill at https://github.com/CyberStrikeus/CyberStrike/blob/HEAD/.cyberstrike/skill/CIS_benchmarks/Cloud_Providers/AWS/CIS_AWS_Compute_Services_Benchmark_v1.1.0/cis-aws-compute-3.10/SKILL.md and all supporting files. Report provenance, permissions, scripts, dependencies, and security risks. Propose an exact installation into .agents/skills/cis-aws-compute-3-10, but wait for my approval before writing files or running scripts.

Copying this prompt does not install or run the skill. Review third-party files before use.

Ensure Amazon ECS services are tagged

Description

Ensure all Amazon ECS services have resource tags to facilitate asset management, tracking, and compliance.

Rationale

Consistent tagging supports compliance and helps identify unauthorized or misconfigured resources.

Impact

There is minimal administrative overhead associated with implementing and maintaining resource tags.

Audit Procedure

Using AWS Console

  1. Login to the ECS console using https://console.aws.amazon.com/ecs/.
  2. In the left panel, click Clusters.
  3. Click the name of a cluster.
  4. Under Services, click the name of a service.
  5. Click Tags.
  6. Ensure at least one tag is listed that does not begin with aws:. Tags prefixed with aws: are AWS-managed.
  7. Repeat steps 1-6 for each ECS cluster and service.

Using AWS CLI

Run the following command to list clusters:

aws ecs list-clusters

Run the following command to list services in a cluster:

aws ecs list-services --cluster <cluster-arn>

Run the following command to view the tags for a service:

aws ecs list-tags-for-resource --resource-arn <service-arn>

Ensure that tags are returned that do not begin with aws:. Tags prefixed with aws: are AWS-managed. Repeat for each cluster and service.

Expected Result

All ECS services should have at least one user-defined tag (not prefixed with aws:).

Remediation

Using AWS Console

  1. Login to the ECS console using https://console.aws.amazon.com/ecs/.
  2. In the left panel, click Clusters.
  3. Click the name of a cluster.
  4. Under Services, click the name of a service.
  5. Click Tags.
  6. Click Manage tags.
  7. Click Add tag.
  8. Provide a Key and optional Value for the tag.
  9. Click Save.
  10. Repeat steps 1-9 for each ECS cluster and service requiring remediation.

Using AWS CLI

Use the aws ecs tag-resource command to add tags to a service:

aws ecs tag-resource --resource-arn <service-arn> --tags key=<TagKey>,value=<TagValue>

Default Value

By default, Amazon ECS services are not tagged.

References

  1. https://docs.aws.amazon.com/AmazonECS/latest/developerguide/ecs-using-tags.html
  2. https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/list-clusters.html
  3. https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/list-services.html
  4. https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/list-tags-for-resource.html

CIS Controls

Controls VersionControlIG 1IG 2IG 3
v81.1 Establish and Maintain Detailed Enterprise Asset Inventoryxxx
v71.4 Maintain Detailed Asset Inventoryxxx

Profile

Level 1 | Automated