Anti-Virus Service ZyXEL offers two different anti-virus options; Kapersky Anti-Virus and the ICSA certified ZyXEL anti-virus. ZyXEL Anti-Virus helps to protect your internal network against zero-day attacks and the most active viruses in the wild list. New threats will be updated and blocked within 24 hours of first detection along with 12-20 regular monthly updates. ZyXEL AV is also ICSA certified by ICSA Labs - the security industrys central anti-virus product testing and certification facility. ZyXEL AV currently supports 8,200 virus signatures with 15,000 supported in a future firmware upgrade (2.11 or higher) while Kaspersky supports 3,200 signatures. The purpose of AV at the gateway is to act as a first line of defense against the top viruses in the wild list from entering your network. Gateway Anti Virus is not a direct replacement for client anti-virus since client AV can detect many more virus signatures, especially older ones that are not on the top wild list. In addition, gateway anti-virus cannot ?repair? a PC once it has been infected, which usually happens from the internal network. The USG AV provides an additional layer of defense against latest threats, buying valuable time for software clients to be updated to an appropriate protection level.
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