Computer Network Security and Cyber Ethics FOURTHEDITION This page intentionally left blank Computer Network Security and Cyber Ethics FOURTH EDITION Joseph Migga Kizza McFarland & Company, Inc., Publishers Jefferson, North Carolina ♾ ISBN 978-0-7864-9392-0 (softcover : acid free paper) ISBN 978-1-4766-1560-8 (ebook) LIBRARYOFCONGRESSCATALOGUINGDATAAREAVAILABLE BRITISHLIBRARYCATALOGUINGDATAAREAVAILABLE © 2014 Joseph Migga Kizza.All rights reserved No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage and retrieval system, without permission in writing from the publisher. Front cover: Firewall lock on mainboard (© iStock/Thinkstock) Manufactured in the United States of America McFarland & Company, Inc., Publishers Box 611, Jefferson, North Carolina 28640 www.mcfarlandpub.com Celebrating what is good within us all. Keep the fire burning! This page intentionally left blank Acknowledgments I am very grateful to all colleagues for the ideas, suggestions, and criticisms they freely gave to me. I am indebted to my daughters, Josephine and Florence, and to my dear wife, Omumbejja Immaculate, for her input and sup- port. She was instrumental in many ways. Finally, to all those who, in one way or another, contributed to this project, but whose names do not appear, thanks! vii This page intentionally left blank Contents Acknowledgments vii Preface 1 1. The Changing Landscape of Cybercrime 3 2. Morality 11 3. Ethics 17 4. Morality, Technology and Value 24 5. Cyberspace Infrastructure 32 6. Anatomy of the Problem 60 7. Enterprise Security 82 8. Information Security Protocols and Best Practices 123 9. Security and Privacy in Online Social Networks 161 10. Security in Mobile Systems 171 11. Security in the Cloud 183 12. Security and Compliance 198 Appendix: Questions for Classroom Use 209 Chapter Notes 215 Bibliography 221 Index 225 ix