Philip Olson on :
Also the audio version of this talk is freely available online at devzone.zend.com:
http://devzone.zend.com/article/2758-The-ZendCon-Sessions-Episode-1The-State-of-PHP-Security
http://devzone.zend.com/article/2758-The-ZendCon-Sessions-Episode-1The-State-of-PHP-Security