ZapThink estimates that eXtensible Markup Language (XML) will represent 25% of all network traffic by 2006. As this trend continues organizations are faced with renewed risk of corrupted workflows, identity theft, unauthorized data disclosure and the loss of productivity from service outages. By fundamentally changing the way enterprises communicate with one another, XML and Web services require enterprises to adjust to a more porous network perimeter by adding deeper content inspection of network traffic.

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