Catherine Paquet has in-depth knowledge of security systems, remote access, and routing technology. She is a CCSP, a CCNP, and a CCSI with one of the largest Cisco Learning Partners. She started her internetworking career as a LAN manager, moved to MAN manager, and eventually became the nationwide WAN manager with a federal agency. Prior to starting Netrisec Inc., a network security consultancy, Catherine was the director of technical resources for a Cisco Learning Partner. Catherine currently works on network design and implementation projects and lectures on topics related to security frameworks, regulations, and return on security investments. In 2002 and 2003, she volunteered with the U.N. mission in Kabul, Afghanistan, to train Afghan public servants in the area of networking. Catherine has a master’s degree in business administration with a major in management information systems (MBA [MIS]). She coauthored the Cisco Press titles Campus Network Design Fundamentals, The Business Case for Network Security: Advocacy, Governance, and ROI, and the first two editions of this book, and edited Building Cisco Remote Access Networks.