John Hoopes, Senior Consultant for Verisign, is a graduate of the University of Utah. John's professional background includes an operational/support role on many diverse platforms, including IBM AS/400, IBM Mainframe (OS/390 and Z-Series), AIX, Solaris, Windows, and Linux. John's security expertise focuses on application testing with an emphasis in reverse engineering and protocol analysis. Before becoming a consultant, John was an application security testing lead for IBM, with responsibilities including secure service deployment, external service delivery, and tool development. John has also been responsible for the training and mentoring of team members in network penetration testing and vulnerability assessment. As a consultant, John has lead the delivery of security engagements for clients in the retail, transportation, telecommunication, and banking sectors.