Electronic signature verification services (electronic cryptology services); Digital signature verification services (electronic cryptology services); Authentication services (verification of the attributes of goods); Security assessment services for computer networks; Telecommunication network security consultancy; Data security services (firewalls); Data security consultancy; Internet security consultancy; 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; Computer security services in the nature of providing authentication, issuance, validation and revocation of digital certificates; Product certification services; Authentication, issuance and validation of digital certificates; Blockchain as a service [BaaS]; Hosting of blockchain databases; User authentication services using blockchain technology; Certification (quality control); Quality control testing; Quality control services for certifying product quality; Quality control of goods; Quality control; Inspection of goods for quality control; Association services being the quality control of goods or services provided by members of the association; Product monitoring services for quality assurance; Information services relating to quality standards; Setting of quality standards; Advisory services relating to the preparation of quality standards; Network security services (test and risk assessment of electronic networks); Computer security services (testing and risk assessment of computer networks); 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); Testing services for the certification of quality and standards; Testing, analysis and evaluation services relating to the application of industry standards; Testing, analysis and evaluation services relating to the application of commercial standards; Technical diagnostic testing services; Technical testing services; Commissioning (testing and inspection) services; Advisory services relating to product testing; Benchmarking (technical testing); Quality audits