This subcategory reports each event of security group management, such as when a security group is created, changed, or deleted or when a member is added to or removed from a security group. If you enable this Audit policy setting, administrators can track events to detect malicious, accidental, and authorized creation of security group accounts. Events for this subcategory include: ? 4727: A security-enabled global group was created. ? 4728: A member was added to a security-enabled global group. ? 4729: A member was removed from a security-enabled global group. ? 4730: A security-enabled global group was deleted. ? 4731: A security-enabled local group was created. ? 4732: A member was added to a security-enabled local group. ? 4733: A member was removed from a security-enabled local group. ? 4734: A security-enabled local group was deleted. ? 4735: A security-enabled local group was changed. ? 4737: A security-enabled global group was changed. ? 4754: A security-enabled universal group was created. ? 4755: A security-enabled universal group was changed. ? 4756: A member was added to a security-enabled universal group. ? 4757: A member was removed from a security-enabled universal group. ? 4758: A security-enabled universal group was deleted. ? 4764: A group's type was changed. Refer to the Microsoft Knowledgebase article ?Description of security events in Windows Vista and in Windows Server 2008? for the most recent information about this setting: http://support.microsoft.com/default.aspx/kb/947226. Fix: (1) GPO: Computer Configuration\Windows Settings\Security Settings\Advanced Audit Policy Configuration\Audit Policies\Account Management!Audit Policy: Account Management: Security Group Management (2) WMI: ###