One Virus Engine Is Not Enough

Introduction

It is a well-known fact that viruses, trojan horses, worms, spam and other forms of malware present a real threat to all modern-day organizations and affect productivity and business operations negatively. According to the 2008 FBI Crime and Security Survey, 97% of organizations have an antivirus software installed, yet 50% have been affected by a virus attack at least once during the previous 12 months.

Responsible organizations agree that they need to protect their network from virus attacks by installing an email security product. Yet malicious code is becoming more sophisticated and is advanced everyday as virus writers hone their skills and sharpen their code to stay one-step ahead of virus detection methods, penetrating antivirus and firewall solutions with alarming regularity.

The success of these viruses is, to a large part, linked to the flawed logic and inherent weakness of protection strategies that are based on a single scanning engine to assess the threat of incoming files. This white paper explains why the answer to the question: “Is one antivirus engine enough to protect the internal network from mass-mailing viruses, worms and other email-borne threats?” is an emphatic “NO!”

It also examines the need for multiple antivirus engines to reduce the average response time to a virus outbreak and thus reduce the chance of having your network infected. The use of multiple virus engines also enables security administrators to be vendor-independent when it comes to virus scanning, thereby able to use the best of breed virus engines available on the market.

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