The rule is designed to detect the deletion of Identity and Access Management (IAM) roles within Google Cloud Platform (GCP), which can indicate potential malicious activity. An IAM role encapsulates a set of permissions that enable users or service accounts to perform specific actions on GCP resources. Deleting an IAM role by an adversary can inhibit access for legitimate users, affecting operational continuity. This rule monitors the GCP audit logs for successful role deletion events to identify unauthorized alterations to IAM policies. Possible false positives could arise from legitimate administrative actions, automated scripts, or planned maintenance. The rule recommends reviewing the incoming deletion events, correlating them with user activities, engaging with the respective users for clarification, and potentially excluding whitelisted accounts from triggering alerts.