The human resources department was charged for a cloud service that belongs to another department. All other cloud costs seem to be correct. Which of the following is the most likely cause for this er

Misconfigured infrastructure templates affect how resources are deployed but do not directly control which department is billed for a resource's usage.

Chargeback is the reporting process built on top of tags; if all other costs are correct, the chargeback configuration itself is likely fine, and the root cause is the tag data it relies on.

Security groups control inbound and outbound network traffic rules and have no relationship to cost allocation or billing attribution in cloud environments.

Cloud platforms use key-value resource tags to map infrastructure costs to billing categories such as departments or projects. If a resource owned by one department carries a tag referencing another department - or is missing a tag and inherits a default - the cloud cost management system will assign those charges to the wrong department. Since all other costs are reported correctly, a single misconfigured tag on one resource is the most precise and likely explanation for this isolated billing error.