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); Data security services (firewalls); Advisory services relating to computer hardware; Advisory services relating to computer programming; Advisory services relating to computer software; Advisory services relating to computer systems analysis; Advisory services relating to computer systems design; Analytical services relating to computers; Back-up (copying) of computer data; Computer analysis; Computer consultancy; Computer consultancy services; Computer database consultancy services; Computer disaster recovery services; Computer engineering consultancy services; Computer hire; Computer program maintenance services; Computer programming; Computer rental; Computer research services; Computer software advisory services; Computer software consultancy; Computer technology consultancy; Computer time-sharing; Computer virus protection services; Data conversion of computer programs and data (not physical conversion); Design and development of computer software (for others); Design of computer databases; Design of computer languages; Development of computer based networks; Hosting computer sites (web sites); Information technology (IT) services (computer hardware, software and peripherals design and technical consultancy); Monitoring of computer systems by remote access; Preparation of reports relating to computers; Recovery of computer data; Remote monitoring of computer systems; Security assessment services for computer networks; Security risk assessment services relating to computer systems; Testing of computer installations; Testing of computers; Network security services (test and risk assessment of electronic networks); Research relating to security; Off-site data backup (online)