I already have an Anti-Virus solution; why should I use IE Internet's solution?

IE Internet’s Anti-Virus screening service is an extra layer of defense. Although desktop Anti-Virus products are a central part of any Anti-Virus policy, it’s difficult to ensure that the virus signature files are updated regularly and adequately maintained. Considering the number of new and existing viruses, intercepting viruses before they enter your network adds a new layer of protection.