Caleb Sima is the co-founder of SPI Dynamics, a Web application security products company. He currently serves as the CTO and director of SPI Labs, SPI Dynamics R&D security team. Prior to co-founding SPI Dynamics, Caleb was a member of the elite X-Force R&D team at Internet Security Systems, and worked as a security engineer for S1 Corporation. Caleb is a regular speaker and press resource on Web application security testing methods and has contributed to (IN)Secure Magazine, Baseline Magazine and been featured in the Associated Press. Kevin Beaver founder of Atlanta-based Principle Logic, LLC is an independent information security consultant, author, and speaker. He has over 18 years of experience in IT and specializes in performing information security assessments. Before starting his own information security services business five years ago, Kevin served in various information technology and security companies.