Computer security consultancy; Computer security consultancy in the field of scanning and penetration testing of computers and networks to assess information security vulnerability; Computer security service, namely, hard drive erasure; Computer security services in the nature of administering digital certificates; Computer security services in the nature of administering digital keys; Computer security threat analysis for protecting data; Data security consultancy; Design and development of electronic data security systems; Design and development of home security systems; Development of security systems and contingency planning for information systems; Engineering and system analysis in the field of home security systems; Internet security consultancy; Maintenance of computer software relating to computer security and prevention of computer risks; Providing technology information updates for home security systems via the global computer network; Recording software protection programs and security programs onto magnetic media; Testing of security systems