Copyright

Acquisitions Editor: Jeff Kellum

Development Editor: Sara Barry

Technical Editor: Derek Lewis

Production Editor: Eric Charbonneau

Copy Editor: Liz Welch

Production Manager: Tim Tate

Vice President and Executive Group Publisher: Richard Swadley

Vice President and Executive Publisher: Joseph B. Wikert

Vice President and Publisher: Neil Edde

Book Designers: Judy Fung and Bill Gibson

Compositors: Craig Woods and Craig Johnson, Happenstance Type-O-Rama

Proofreader: Candace English

Indexer: Ted Laux

Project Coordinator, Cover: Lynsey Stanford

Cover Designer: Ryan Sneed

Copyright © 2009 by Wiley Publishing, Inc., Indianapolis, Indiana

Published simultaneously in Canada

ISBN: 978-0-470-40485-0

No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Legal Department, Wiley Publishing, Inc., 10475 Crosspoint Blvd., Indianapolis, IN 46256, (317) 572–3447, fax (317) 572–4355, or online at http://www.wiley.com/go/permissions.

Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services. If professional assistance is required, the services of a competent professional person should be sought. Neither the publisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Web site is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Web site may provide or recommendations it may make. Further, readers should be aware that Internet Web sites listed in this work may have changed or disappeared between when this work was written and when it is read.

For general information on our other products and services or to obtain technical support, please contact our Customer Care Department within the U.S. at (800) 762-2974, outside the U.S. at (317) 572-3993 or fax (317) 572-4002.

Wiley also publishes its books in a variety of electronic formats. Some content that appears in print may not be available in electronic books.

Library of Congress Cataloging-in-Publication Data

Miller, David, 1959 Nov. 5-

Security administrator street smarts : a real world guide to CompTIA Security+ skills / David Miller, Michael Gregg. — 2nd ed.

p. cm.

ISBN 978-0-470-40485-0 (pbk.)

1. Electronic data processing personnel—Certification. 2. Computer security—Examinations—Study guides. 3. Computer networks—Security measures—Examinations—Study guides. I. Gregg, Michae

(Michael C.) II. Title.

QA76.3.M562 2009

005.8—dc22

2008040634

TRADEMARKS: Wiley, the Wiley logo, and the Sybex logo are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. CompTIA Security+ is a trademark of the Computing Technology Industry Association, Inc. All other trademarks are the property of their respective owners. Wiley Publishing, Inc., is not associated with any product or vendor mentioned in this book.

10 9 8 7 6 5 4 3 2 1