Graham Speake (CISSP #56073, M.Inst. ISP) is a risk management consultant with BP, one of the world's largest energy companies. He currently provides risk assessment and remediation consultancy to BP operating units throughout the world. His specialties include industrial automation and process control security, penetration testing, network security, and network design. Graham is a frequent speaker at security conferences and often presents security training to BP staff around the world. Graham's background includes positions as a consultant at ATOS/Origin and an engineer at the Ford Motor Company.

Graham holds a bachelor's degree from the Swansea University in Wales and is a member of the ISA. Graham was born in the United Kingdom, but now lives in Houston, Texas, with his wife, Lorraine and daughter, Dani.

Brian Barber (Linux+, MCSE, MCSA, MCP+I, MCNE, CNE, CNA-GW) works for the Canada Deposit Insurance Corporation (CDIC) as a project manager and architect for CDIC's IT service management program. He first started using Linux at home with Red Hat 5.1 and since then he has been a staunch advocate of open source software, belonging to the Ottawa Canada Linux User Group (OCLUG) since 2001 and the Ottawa Python Authors Group. His primary areas of interest are operating systems, infrastructure design, multiplatform integration, directory services, and enterprise messaging. In the past, he has held the positions of Principal Consultant with Sierra Systems Group Inc., Senior Technical Coordinator with the LGS Group Inc. (now a part of IBM Global Services), and Senior Technical Analyst at MetLife Canada.

He has been coauthor, technical editor, or lead author for over 15 books and certification guides. He is an experienced instructor and courseware developer. Recently, he was a Contributing Technical Editor for Cisco Router and Switch Forensics: Investigating and Analyzing Malicious Network Activity, (ISBN: 978-1-59749-418-2, Syngress), and Cisco CCNA/CCENT Exam 640-802, 640-822, 640-816 Preparation Kit, (ISBN: 978-1-59749-306-2, Syngress).

Terrence V. Lillard (Linux+, CISSP) is an IT Security architect and an expert in cybercrime and cyberforensics. He is actively involved in computer, intrusion, network, and steganography cybercrime and cyberforensics cases, including investigations, security audits, and assessments both nationally and internationally. Terrence has testified in U.S. District Court as a Computer Forensics/Security Expert Witness. He has designed and implemented security architectures for various government, military, and multinational corporations. Terrence's background includes positions as principal consultant at Microsoft, the IT Security Operations manager for the District of Columbia's government IT Security Team, and instructor at the Defense Cyber Crime Center's (DC3) Computer Investigation Training Academy program. He has taught IT security and cybercrime/cyberforensics at the undergraduate and graduate level.

He holds a B.S. in Electrical Engineering, Master of Business Administration (MBA), and is currently pursuing a Ph.D. in Information Security.

Chris Happel has over 20 years of experience with voice and data networking and security. He is currently a managing consultant for Liberty Trio, LLC, and is an avid supporter of GNU/Linux and open source software.

Kevin Riggins (CISSP, CCNA) is a Senior Information Security Analyst with over 20 years of experience in information technology and over 10 years of experience in information security. Kevin has used and managed Linux systems since 1995. Kevin has technical and strategic experience in a broad range of technologies and systems. Kevin currently leads the Security Review and Consulting team at Principal Financial Group which performs information security risk assessments and provides information security consulting services for all business units of The Principal. He holds a B.A. in Computer Science from Simpson College, Indianola, IA, is a member of ISSA, Infragard, and is the author of the Infosec Ramblings blog.