42 Computer services, namely - developing, implementing and hosting websites for other; providing temporary use of on-line non-downloadable software for electronic mail, calendar and scheduling; providing computer network security management including the design and implementation of access control, encryption, firewall, secure electronic commerce and virus protection systems, monitoring and managing computer network connections, security systems, firewalls and intruder detection systems, authenticating identity and issuing and managing digital certificates for authentication of encryption of electronic communications over a computer network