Techniques are disclosed to obtain device posture of a third party managed device. In various embodiments, a unique identifier of the third party managed device is embedded in a registration communication sent from a third party managed device to an access node associated with a first party management entity. The registration communication is sent from the third party managed device to the access node. The access node is configured to store data associating the unique identifier with the third party managed device, and to use the unique identifier to obtain from the third party management entity device posture information for the third party managed device.