Computer software for network security purposes, antivirus protection and local security purposes for use on desktop, servers and portable computers, namely computer antivirus software, computer utility software, firewall software for preventing intrusion and hacking, computer anti-trojan horse and anti-spyware software, computer software for preventing network intrusion, computer software for blocking hostile computer code, computer software for protecting user privacy online, computer software for blocking unwanted web sites, computer software for blocking spam messages, computer software for interception, blocking, modifying and analyzing network activity, computer software for monitoring of network activity of the computer, and computer telecommunication software for use in transmitting and receiving information concerning computer viruses, spyware and trojan horses, computer security issues and updated versions of computer software via global computer networks; Centralized deployment, management (using different security policy for different endpoints), monitoring and updating of such software