About the Technical Reviewers

Jeff Asher is a network systems engineer/security engineering practice manager at Internetwork Engineering in Charlotte, North Carolina, where he is currently deploying endpoint security systems to an enterprise network of more than 6000 workstations and 350 servers. Jeff has earned several certifications, including Microsoft Certified System Engineer and CCNP. He earned a bachelor of arts degree from Virginia Polytechnic Institute and State University.

David Marsh is a security consultant for the Cisco Systems World Wide Security Practice and lives in Atlanta. He has focused on security for a number of years and holds Cisco certifications such as CCNP, CCDP, and CCSP as well as industry certifications such as CISSP, MCNE, and MCSE. David has an MBA from Georgia State University and is looking at pursuing the GIAC GSE after he wraps up his CCIE (Security). He is currently engaged in security architecture consulting for some of the top Cisco customers and has no spare time.