We’re facing a Web security gap. The Web has become the primary source of infections in enterprises, surpassing e-mail. Although most enterprises do some form of URL filtering on their Web traffic, it’s proven to not be an adequate security solution alone. Only 15 percent of organizations are performing the deeper inspection and blocking on Web traffic necessary to protect their employees, according to Gartner. And the problem is growing, with over 9,000 Web sites hosting malicious code being added each day.