An Internet security startup with roots at MIT (Massachusetts Institute of Technology) has slapped a red “X” warning label on approximately 5 percent of all Web traffic and warned that there are one billion monthly visits to Web pages that aren’t safe for surfing. With an ambitious mission to use automated crawlers to test every Web site on the Internet, SiteAdvisor officially rolled out a free trial version of a browser plug-in that places a “safe,” “caution” or “warning” label whenever a user visits a Web site. Full Story