Brad Hill from Paypal, shared a very interesting slides that he presented during W3Conf 2013, which was held in San Fransisco on February 21, and 22. In the presentation you can find real code using new standards to solve script injection vulnerabilities, and build secure mashups. Overall, HTML5 and the Open Web Platform are improving the security of the Web ecosystem.Rich Web Apps are not new, and HTML5 offers big security improvements compared to the proprietary plugin technologies it’s actually replacing.