EC2 instance is missing an Environment tag

Severity
Low
Service
Tagging
Check ID
EC2_MISSING_ENV_TAG

What this check finds

The EC2 instance has no 'Environment' tag (e.g. prod, staging, dev). Missing environment tags prevent cost allocation by environment, break auto-stop lifecycle policies, and make security-group reviews ambiguous about production vs. non-production exposure.

Passing looks like: EC2 instances have an Environment tag.

How to fix it

Add an Environment tag.

AWS CLI

  1. aws ec2 create-tags --resources INSTANCE_ID --tags Key=Environment,Value=prod
  2. Enforce tagging at creation with IAM condition keys or AWS Config rule required-tags.

Names in capitals are placeholders for your own resource. Review a command before you run it.

Compliance

This is an operational hygiene check. It flags something worth tidying rather than a control an auditor asks for, so it is not mapped to a compliance framework.

Checked on every scan

KloudLytics runs this check each time it scans a connected AWS account, through a read-only role, and lists every affected resource with its region. On Pro and Business a fix is written for the specific resource rather than the general case above. The exact access it needs

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