Robert Shimonski - CEH v9: Certified Ethical Hacker Version 9 Study Guide

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I would like to dedicate this book to Medal of Honor recipient (and personal hero) Sgt. Maj. (USA) Jon R. Cavaiani, who passed away some time before this book was written. Thank you for giving me the honor to shake your hand.

Writing acknowledgements is probably the toughest part of writing a book in my opinion as I always feel that I have forgotten someone who had to deal with my hijinks over the past few months. Anyway, here goes.

First of all, I want to thank my Mom and Dad for all of your support over the years as well as being your favorite son. Thats right, I said it.

I would also like to take a moment to thank all the men and women I have served with over the years. It is an honor for this Chief Warrant Officer to serve with each of you. I would also like to extend a special thanks to my own unit for all the work you do, you are each a credit to the uniform. Finally, thanks to my Commander for your mentorship, support, and faith in my abilities.

To my friends I want to say thanks for tearing me away from my computer now and then when you knew I needed to let my brain cool off a bit. Mark, Jason, Jennifer, Fred, Misty, Arnold, Shelly, and especially Lisa, you all helped me put my focus elsewhere for a while before I went crazy(er).

I would also like to thank Shigeru Miyamoto for bringing the Legend of Zelda into reality.

Finally, on a more serious note, I would like to dedicate this book to Medal of Honor recipient (and personal hero) Sgt. Maj. (USA) Jon R. Cavaiani who passed away some time before this book was written. Thank you for giving me the honor to shake your hand.

Sean-Philip Oriyano

Duty, Service, Honor

Sean Oriyano (www.oriyano.com) is a seasoned security professional and entrepreneur. Over the past 25 years he has split his time among writing, researching, consulting, and training various people and organizations on a wide range of topics relating to both IT and security. As an instructor and consultant, Sean has traveled all over the world, sharing his knowledge as well as gaining exposure to many different environments and cultures along the way. His broad knowledge and easy-to-understand manner, along with a healthy dose of humor, have led to Sean being a regularly requested instructor.

Outside of training and consulting, Sean is also a best-selling author with many years of experience in both digital and print media. Sean has published books for McGraw-Hill, Wiley, Sybex, OReilly Media, and Jones & Bartlett. Over the last decade Sean has expanded his reach even further by appearing in shows on both TV and radio. To date, Sean has appeared in over a dozen TV programs and radio shows discussing various cybersecurity topics and technologies. When in front of the camera, Sean has been noted for his casual demeanor and praised for his ability to explain complex topics in an easy-to-understand manner.

Outside his own business activities, Sean is a member of the military as a chief warrant officer specializing in infrastructure and security as well as the development of new troops. In addition, as a CWO he is recognized as a subject matter expert in his field and is frequently called upon to provide expertise, training, and mentoring wherever needed.

When not working, Sean is an avid obstacle course racer, having completed numerous races, including a world championship race and a Spartan Trifecta. He also enjoys traveling, bodybuilding, training, and developing his mixed martial arts skills plus taking survival courses.

Sean holds many certifications and qualifications that demonstrate his knowledge and experience in the IT field, such as the CISSP, CNDA, and Security+.