• https://docs.aws.amazon.com/IAM/latest/UserGuide/access_iam-tags.html
• https://aws.amazon.com/premiumsupport/knowledge-center/iam-policy-tags-restrict/
• https://docs.aws.amazon.com/IAM/latest/UserGuide/access_tags.html
• https://docs.aws.amazon.com/iot/latest/developerguide/tagging-iot-iam.html
• https://aws.amazon.com/premiumsupport/knowledge-center/iam-ec2-resource-tags/

Blog Posts

• https://aws.amazon.com/blogs/security/simplify-granting-access-to-your-aws-resources-by-using-tags-on-aws-iam-users-and-roles/
• https://aws.amazon.com/blogs/security/add-tags-to-manage-your-aws-iam-users-and-roles/

IAM User Guide Reference

• https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_variables.html
• https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_condition-keys.html
• https://docs.aws.amazon.com/IAM/latest/UserGuide/reference_policies_elements_condition.html