Securing an accessible computer system typically includes receiving a data packet that includes a payload portion and an attribute portion, where the data packet is communicated between at least one access requestor and at least one access provider. In one aspect, a data processing system, includes: one or more first components capable of being dynamically throttled to a plurality of different performance level settings; one or more second components; and one or more power usage sensors. Afterward, an adhesive is used to adhere and fix a protection structure to the substrate for forming a chamber to enclose the micro electro mechanical system structure, and at least one second opening is preserved on sidewalls of the chamber.