This detection rule identifies events where a member has been removed from a security-enabled global group in a Windows environment. The rule is primarily based on monitoring specific Event IDs (633 and 4729) that are generated during such removals. The removal of members from security groups can indicate potential unauthorized access attempts or manipulation of user privileges, thus heightening security risks. Security-enabled global groups are critical for managing access controls within Active Directory environments, and any changes to their membership should be closely monitored to ensure compliance with security protocols and to prevent exploitation. The relevance of this detection becomes critical especially in contexts where privileged accounts are involved, as unauthorized changes can lead to significant vulnerabilities.