Ian de Villiers is a security analyst at SensePost. Coming from a development background, his areas of expertise are in application and web application assessments. Ian has spent considerable time researching application frameworks, and has published a number of advisories relating to portal platforms. He has also provided security training and spoken at security conferences internationally.

Ian previously published numerous tools, such as reDuh http://research.sensepost.com/tools/web/reduh, but more recently, SapProxy http://research.sensepost.com/cms/resources/tools/servers/sapprox/44con_2011_release.pdf