Electronic signature verification services (electronic cryptology services); Digital signature verification services (electronic cryptology services); Authentication services (verification of the attributes of goods); Network security services (test and risk assessment of electronic networks); Telecommunication network security consultancy; Computer security services (testing and risk assessment of computer networks); Security assessment services for computer networks; Internet security consultancy; Data security consultancy; Data security services (firewalls); Verification of personal identification (computer security); Security risk assessment services relating to computer systems; Research relating to computer security; Identity validation (computer security); Computer security services (programming and software installation, repair and maintenance services); Computer security services (design and development of secure computer hardware, software and systems); Computer security engineering; Computer security consultancy; Certification services (testing, verification and authentication of the services of others for the purpose of certification); Certification services (testing, verification and authentication of the goods of others for the purpose of certification); Computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; Certification (quality control); Authentication, issuance and validation of digital certificates; Product certification services; Testing services for the certification of quality and standards