Computer hardware; firmware for ensuring computer security, for encryption, for decryption, and for validation and authentication of security certificates; computer hardware, namely, hardware security modules; computer peripheral devices for security, encryption, decryption, and authentication; semiconductors; integrated circuits, integrated circuit chips, and integrated circuit modules for security, encryption, decryption, and authentication; computer hardware and software systems for key provisioning, identity management and message validation for use in security, encryption, decryption and authentication; computer hardware and software systems for encryption, decryption, signing and validating messages in addition to key provisioning to and keys exchanges between devices; computer hardware and firewall software systems; computer hardware and software systems for PC optimization and maintenance; computer hardware and software systems for transaction security and online/offline backup; computer hardware and software systems for computer network administration and management; computer hardware and software systems comprised of computer peripherals, computer chips and software for use in connection with global computer communications networks to ensure network security; computer hardware and software systems for performing file maintenance and data recovery functions; computer hardware and software systems comprised of computer peripherals, computer chips and software for use in networking application to configure local area networks