David Pollino has a strong background in security, wireless, and networking. David is currently a security practitioner working in financial services. During his career, he has worked for an industry-leading security consulting company, a large financial services company, and a tier 1 ISP. David often speaks at security events and has frequently been quoted in online and printed journals regarding security issues. During his career as a consultant and network engineer, David has worked for clients across multiple industries, including financial services, service providers, high technology, manufacturing, and government. He co-authored Wireless Security (RSA Press, 2002) and Hacker's Challenge and Hacker's Challenge 2 (McGraw-Hill/Osborne, 2001 and 2002, respectively).

Bill Pennington, CISSP, has six years of professional experience in information security and eleven years in information technology. His duties at WhiteHat include managing research and development, guiding product and technology direction, managing web application assessment teams, and developing and delivering WhiteHat Security training. Bill has performed web application assessments for more than four years in a variety of industry verticals including financial services, e-commerce, and biotechnology. He is familiar with Mac OS X, Linux, Solaris, Windows, and OpenBSD, and he is a Certified Information Security Systems Practitioner (CISSP) and Certified Cisco Network Administrator (CCNA). He has broad experience in web application security, penetration testing, computer forensics, and intrusion detection systems. Prior to joining WhiteHat, Bill was a principal consultant and technical lead for assessment services at Guardent, a nationwide security services provider.

Tony Bradley, CISSP-ISSAP, MCSE2k, has eight years of computer networking and administration experience, focusing the last four on network security and malware protection. Tony is a network security architect providing design, implementation, and management of network security solutions for a variety of Fortune 500 customers. He is also the editor and writer for the About.com Internet/Network Security website and frequently contributes to a variety of technical and security publications, both in print and on the Web. You can view his writing portfolio at http://www.s3kur3.com.

Himanshu Dwivedi is a founding partner of iSEC Partners, an independent provider of information security services and tools. He has 12 years of experience in security and IT. Before forming iSEC, he was Technical Director for @stake's Bay Area security practice. Himanshu's professional focus includes strategic security services, which leverages his experience with software development, infrastructure security, application security, tool development, and secure product design. He is considered an industry expert in storage security, specifically Fibre Channel/iSCSI SANs and CIFS/NFS NAS systems. Himanshu has presented at major security conferences throughout the world, including Black Hat, Storage Networking World, Syscan Singapore, and Bellua Indonesia. Himanshu also has a patent pending for a storage security design architecture that can be implemented on enterprise storage products for Fibre Channel networks. Himanshu has also authored two additional security books, including Securing Storage: A Practical Guide to SAN and NAS Security (Addison-Wesley, 2005) and Implementing SSH: Strategies for Optimizing the Secure Shell (Wiley, 2003).