Computer hardware, computer software, peripherals, all for providing multi-site telecommunications links, video and telephone conferencing facilities, document, image and data sharing across a network, internet, intranet or virtual private network; microphones, video cameras, video projection and display screens and monitors; computer hardware input devices, namely digitizing tablets; computer hardware, computer software, computer firmware and peripherals, all for managing and protecting computer infrastructures and networks; Internet, intranet and virtual private network security devices, namely dongles, security keys, security passwords and encryption tools, voice recognition, iris recognition, finger print recognition sensors; computer hardware, computer software, computer firmware and peripherals devices, all for maintaining firewalls, content filters, intrusion alerts, virus protection; non-printed publications, namely downloadable electronic publications in the nature of emails, news letters and circulars in the field of computer security; electronic user manuals for use in connection with all of the foregoing recorded on computer media