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 consultancy; Data security services (firewalls); Internet security consultancy; Network security services (test and risk assessment of electronic networks); Security assessment services for computer networks; Security risk assessment services relating to computer systems; Verification of personal identification (computer security); Monitoring of computer systems for detecting unauthorised access or data breach; Recovery of computer data