Unified Network Security SystemZyXEL''s Unified Security Gateways offer businesses the most comprehensive security all in one package. They effectively safeguard business networks from every possible threat with a wide range of security functions such as anti-virus, anti-spam, VPN, content filtering, IDP and firewall. Their all-in-one design helps businesses minimize management efforts and total cost of ownership (TCO), while maximizing network security.Industry-leading TechnologyNot only is the protection provided by ZyXEL''s USGs comprehensive, it is also highly effective. ZyXEL utilizes industry-leading technology in its Unified Security Gateways to deliver effective protection against threats from emails, web applications and malicious websites. ZyXEL''s USGs feature ICSA-certified VPN and firewall technology, as well as best-of-breed anti-spam, content filtering and anti-virus from world-class technology partners like Commtouch, Blue Coat and Kaspersky.