A computer or microchip comprising an internal hardware firewall configured to separate a protected side from an unprotected side of the hardware of the computer or microchip, the unprotected side being configured to connect to a network of computers; the protected side of the computer or microchip being protected by the internal hardware firewall and including at least one microprocessor or processing unit; the unprotected side of the computer or microchip being located outside of the internal hardware firewall and including one or more additional microprocessors or processing units and hardware network communications components; and the one or more unprotected microprocessors or processing units being separate from the internal hardware firewall. The unprotected side can include two or more unprotected microprocessors or processing units that are configured for parallel and/or multitasking processing.