Computer network design for others; computer network security services; computer security consultancy; computer security threat analysis for protecting data; consultancy in the field of computer data security; design and development of electronic data security systems; design and development of wireless computer networks; development of software for secure network operations; internet security consultancy; maintenance of computer software relating to computer security and prevention of computer risks; research and design in the field of computer networking; updating of computer software relating to computer security and prevention of computer risks