Security in Computing, 4th Edition

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and the publisher was aware of a trademark claim, the designations have been printed with initial capital letters or in all capitals.

The authors and publisher have taken care in the preparation of this book, but make no expressed or implied warranty of any kind and assume no responsibility for errors or omissions. No liability is assumed for incidental or consequential damages in connection with or arising out of the use of the information or programs contained herein.

The publisher offers excellent discounts on this book when ordered in quantity for bulk purchases or special sales, which may include electronic versions and/or custom covers and content particular to your business, training goals, marketing focus, and branding interests. For more information, please contact:

          U.S. Corporate and Government Sales

          (800) 382-3419          corpsales@pearsontechgroup.com

For sales outside the United States, please contact:

          International Sales          international@pearsoned.com

Visit us on the Web: www.prenhallprofessional.com

Library of Congress Cataloging-in-Publication Data

Pfleeger, Charles P., 1948-

     Security in computing / Charles P. Pfleeger, Shari Lawrence Pfleeger.  4th ed.

       p. cm.

       Includes bibliographical references and index.

       ISBN 0-13-239077-9 (hardback : alk. paper)

     1. Computer security. 2. Data protection. 3. Privacy, Right of. I. Pfleeger, Shari

Lawrence. II. Title.

 QA76.9.A25P45 2006

 005.8dc22                                                            2006026798

Copyright © 2007 Pearson Education, Inc.

All rights reserved. Printed in the United States of America. This publication is protected by copyright, and permission must be obtained from the publisher prior to any prohibited reproduction, storage in a retrieval system, or transmission in any form or by any means, electronic, mechanical, photocopying, recording, or likewise. For information regarding permissions, write to:

   Pearson Education, Inc.   Rights and Contracts Department

   One Lake Street

   Upper Saddle River, NJ 07458   Fax: (201) 236-3290

Text printed in the United States on recycled paper at Courier in Westford, Massachusetts.

First printing, October 2006