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); Computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; Data security consultancy; Data security services (firewalls); Internet security consultancy; Network security services (test and risk assessment of electronic networks); Research relating to security; Security assessment services for computer networks; Security risk assessment services relating to computer systems