Computer security consultancy; Computer security engineering; Computer security services (design and development of secure computer hardware, software and systems); Computer security services (programming and software installation repair and maintenance services); Computer security services (testing and risk assessment of computer networks); Security assessment services for computer networks; Computer consultancy; Computer consultancy services; Computer database consultancy services; Computer engineering consultancy services; Computer firewall services; Computer programming consultancy; Computer software consultancy; Consultancy in the design and development of computer hardware; Consultancy in the design and development of computer software; Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Security risk assessment services relating to computer systems; Data security services (firewalls); Network security services (test and risk assessment of electronic networks); Research relating to security