IAM Tag policy for EC2 instances

Question

How can I prevent a specific IAM user to delete or change tags assigned to an EC2 instance? I am OK with the user to be able to add new tags.

Thanks!

Accepted Answer

You can add an IAM policy to your IAM user that has an allow for `ec2:CreateTags` and a deny for `ec2:DeleteTags`. Currently, these are the only tag-related permissions available for EC2 service, along with `ec2:DescribeTags`.

Note that for existing tags, when you change or update the Tag Key, both `ec2:DeleteTags` and `ec2:CreateTags` actions will be performed. If you update change or update the Tag Value, `ec2:CreateTags` action will be performed.

Check this reference that has an example for using tags:
https://aws.amazon.com/premiumsupport/knowledge-center/iam-ec2-resource-tags/

Answer

You could use an SCP to manage who is able to change tags. There are some tagging examples on this page : https://docs.aws.amazon.com/organizations/latest/userguide/orgs_manage_policies_scps_examples_tagging.html

IAM Tag policy for EC2 instances

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