Matt Walker - CEH Certified Ethical Hacker Exam Guide

Matt Walker is currently working as a member of the Cyber Defense and Security Strategy team within Hewlett-Packard Enterprise. An IT security and education professional for more than 20 years, he has served as the director of the Network Training Center and a curriculum lead/senior instructor for Cisco Networking Academy on Ramstein AB, Germany, and as a network engineer for NASAs Secure Network Systems (NSS), designing and maintaining secured data, voice, and video networking for the agency. Matt also worked as an instructor supervisor and senior instructor at Dynetics, Inc., in Huntsville, Alabama, providing on-site certification-awarding classes for ISC2, Cisco, and CompTIA, and after two years he came right back to NASA as an IT security manager for UNITeS, SAIC, at Marshall Space Flight Center. He has written and contributed to numerous technical training books for NASA, Air Education and Training Command, and the U.S. Air Force, as well as commercially, and he continues to train and write certification and college-level IT and IA security courses.

Brad Horton currently works as an information security specialist with the U.S. Department of Defense. Brad has worked as a security engineer, commercial security consultant, penetration tester, and information systems researcher in both the private and public sectors.

This has included work with several defense contractors, including General Dynamics C4S, SAIC, and Dynetics, Inc. Brad currently holds the Certified Information Systems Security Professional (CISSP), the CISSP Information Systems Security Management Professional (CISSP-ISSMP), the Certified Ethical Hacker (CEH), and the Certified Information Systems Auditor (CISA) trade certifications. Brad holds a bachelors degree in Commerce and Business Administration from the University of Alabama, a masters degree in Management of Information Systems from the University of Alabama in Huntsville (UAH), and a graduate certificate in Information Assurance from UAH. When not hacking, Brad can be found at home with his family or on a local golf course.

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This book is dedicated to my children
Faith, Hope, Christian, and Charity. I love you with all my heart,
and I am so proud of the world-changing impact youre making.

When I wrote the first edition of this book, one of the first people I gave a copy to was my mom. She didnt, and still doesnt, have a clue what most of it means, but she was thrilled and kept saying, Youre an author like I had cured a disease or saved a baby from a house fire. At the time I felt weird about it, and I still do. Looking back on the opportunity I was givenalmost out of the blueby Tim Green and McGraw-Hill Professional, I just cant believe the entire thing came to pass. And Im even more surprised I had anything to do with it.

Those who know me well understand what is meant when I say Im just not capable of doing this. I dont have the patience for it, Im not anywhere near the smartest guy in the room (and right now the only one in this room with me is our cat, Neo), and my Southern brand of English doesnt always represent the clearest medium from which to provide knowledge and insight. It still amazes me it all worked then. And Im floored were here again with another version.