Internet Explorer 8 and 9 are superior at blocking social-engineering attacks than Chrome, Firefox, Apple’s Safari. IE 8 achieved a mean blocking rate of 90 percent, Chrome 10, Firefox 4 and Safari 5 in the dust on 13 percent each. Opera, which uses technology from antivirus company AVG, came in last on 5 percent. IE 9 has added a second system, SmartScreen Application Reputation, which offers browser users a remarkably effective level of download block protection. The overall lower protection offered by Firefox, Safari, and Chrome is concerning.”]