Advisory services relating to computer software; Computer software advisory services; Computer software consultancy; Computer software design; Computer software development; Computer software engineering; Computer support services (software advisory and information services); Consultancy in the design and development of computer software; Design and development of computer software for others; Design of computer software; Development of computer software; Development of computer software application solutions; Diagnosis of faults in computer software; Hosting of software as a service (SaaS); Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Installation and maintenance of computer software; Installation of computer software; Maintenance of computer software; Providing information, including online, about design and development of computer hardware and software; Rental of computer software; Software as a service (SaaS); Software creation; Software engineering; Updating of computer software; User authentication services using single sign-on technology for online software applications; Writing of computer software; Development of computer programmes; Computer support services (programming and software installation, repair and maintenance services); Providing information relating to computer technology and programming via a website; Provision of information relating to computer programming; 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; Verification of personal identification (computer security)