EC2 > Structures > SecurityGroupIdentifier SecurityGroupIdentifier¶ Structure Class¶ SecurityGroupIdentifier dataclass ¶ Bases: _SerdeShape Describes a security group. Attributes¶ group_id class-attribute instance-attribute ¶ group_id: str | None = ... The ID of the security group. group_name class-attribute instance-attribute ¶ group_name: str | None = ... The name of the security group.