1. A computer or microchip, comprising: a system BIOS of the computer or microchip located in flash memory which is located in a portion of the computer or microchip protected by an inner hardware-based access barrier or firewall; and a central controller of the computer or microchip, including a master controlling device or a master control unit, having a connection by a secure control bus with other parts of the computer or microchip, and including at least a volatile random access memory (RAM) located in a portion of the computer or microchip that has at least one connection for a network; the secure control bus is isolated from input from the network; the secure control bus has a configuration by which it provides and ensures direct preemptive control by the central controller over the volatile random access memory (RAM); the direct preemptive control includes transmission of data and/or code to the volatile random access memory (RAM) or erasure of data and/or code in the volatile random access memory (RAM); and the direct preemptive control also includes control of a connection between the central controller and the volatile random access memory (RAM) and between the volatile random access memory (RAM) and at least one or many microprocessors having a connection for the network.