1. A server comprising: at least one processing unit; and at least one computer-readable media storing computer-executable instructions which, when executed by the at least one processing unit, cause the server to: acquire operational data reflecting operation of a computer; set policy information for the computer based on the acquired operational data; and send the policy information from the server to the computer, wherein the policy information sent from the server to the computer causes the computer to impose a sanction on the computer for non-compliance with the policy information, and wherein the computer comprises a sanction circuit in a secure execution environment and the policy information directs the sanction circuit to impose the sanction.