This detection rule identifies when a new AWS account is created within an AWS organization. It focuses on monitoring AWS CloudTrail logs for any events that indicate the creation of an account. The rule specifically looks for the event name 'CreateAccountResult', which provides essential details such as the account ID, account name, and timestamps for the creation event. By checking the event type and the successful completion status, the rule aims to alert security teams about potentially unauthorized or anomalous account creation activities. Given the importance of account management within cloud environments, this rule serves as a fundamental layer of security to ensure that all account creations are legitimate and comply with organizational policies.