Despite the fact that more than 90 percent of organizations employ antivirus (AV) software, 35 percent of companies in a 2002 Computer Security Institute/FBI study incurred financial damage (averaging $283,000) as a result of virus attacks – even with AV software in place. New viruses employ a blended threat, exploiting multiple weaknesses and attacking through multiple vectors (i.e., e-mail, file transfers, Web browsers). Security organizations must integrate security components and policy to present a more complete defense. META Group recommend that users have multivendor, multilayered AV defenses, concentrating primarily on e-mail, desktops and servers, but the IT organization must also ensure that it has the right people in place to develop a comprehensive antivirus strategy beyond the deployment of antivirus software. The IT organization must develop a comprehensive configuration, monitoring and event response function within the security operations center.

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