Computer security service, namely, restricting access to and by computer networks to and of undesired web sites, media and individuals and facilities; Consulting services in the design and implementation of computer-based information systems for businesses; Design and development of electronic data security systems; Development of security systems and contingency planning for information systems; Development of software for secure network operations; Installation and maintenance of network security software; Planning, design and implementation of computer technologies for others; Providing a secure electronic online system featuring technology which allows for the creation of a secure passive optical network that can be configured to meet government security requirements and standards.; Research in the field of intelligence and security technology; Testing of security systems