Installation of local area networks, wide area networks and virtual private networks; maintenance of computer hardware, namely, local area networks, wide area networks and virtual private networks; maintenance of computer software for local area networks, wide area networks, wide area networks and virtual private networks

Monitoring of computer systems, namely, firewall protection of computer networks and protection and prevention of intrusions on computer networks; computer systems analysis, namely, assessment of the vulnerability of computer networks to intrusions and attacks; computer consulting in the field of computer networks including control of incidents of intrusion and attack on computer networks; secure web site hosting, namely, posting the web sites of others on a computer server for a global computer network; planning of recovery from computer network disasters, including attacks and intrusions