About the Author

David Pollino

David Pollino (Walnut Creek, CA) is a senior security consultant at @stake, Inc. He has extensive networking experience including working for a tier 1 ISP architecting and deploying secure networks for Fortune 500 companies. David leads the @stake Center of Excellence focusing on wireless technologies such as 802.11x, WAP and GPRS. Recent projects include helping design and oversee the security architecture for a large European ASP and assisting with the security architecture for a wireless provider.

Bill Pennington

Bill Pennington, (CISSP), is a Principal Security Consultant with Guardent Inc. Bill has five years of professional experience in information security, ten in information technology. He is familiar with Linux, Solaris, Windows, and OpenBSD, and is a Certified Information Security Systems Practitioner, Certified Cisco Network Administrator (CCNA), Certified Internet Security Specialist (CISS), and a Microsoft Certified Product Specialist, Windows NT 4.0. He has broad experience in computer forensics, installing and maintaining VPNs, Cisco Pix firewalls, IDS, and in monitoring systems. Bill was a contributing author to several chapters of the original Hacker’s Challenge.

Tony Bradley

Himanshu Dwivedi

Himanshu Dwivedi is a co-founder of iSEC Partners (www.isecpartners.com), an information security firm specializing in application security. At iSEC, Himanshu manages the firm’s product development efforts and co-manages the sales and marketing programs. Himanshu is also a renowned industry author with six security books published, including Mobile Application Security (McGraw Hill/Osborne), Hacking VoIP (No Starch Press), Hacking Exposed: Web 2.0 (McGraw Hill/Osborne), Hacker’s Challenge 3 (McGraw Hill/Osborne), Securing Storage (Addison Wesley), and Implementing SSH (Wiley). In addition to the books, Himanshu also has a patent pending on Fibre Channel security. Before starting iSEC Partners, Himanshu was the Regional Technical Director at @stake, Inc.