Virus attacks are among the most well publicized threats to network security, and statistics show that outbreaks will continue to increase. In addition to disrupting IT resources and worker productivity, viruses can also plant "Trojan horses" within a network that can defeat firewall defenses from the inside. Statistics show that one out of every three viruses enters the network through "back doors" such as diskettes or modems. The most effective anti-virus policies are therefore implemented and enforced at the desktop, providing protection against virus infections from all sources including e-mail attachments, floppy diskettes and Internet downloads.??SonicWALL Network Anti-Virus is a subscription-based upgrade for SonicWALL's family of Internet security appliances. Network Anti-Virus ensures that the entire network is constantly protected from virus attacks. The SonicWALL Internet security appliance enforces the use of up-to-date anti-virus software on each protected computer to ...