,CompTIA ®
Security+
Guide to Network
Security Fundamentals
Mark Ciampa, Ph.D.
Eighth Edition
Information
Security
Australia • Brazil • Canada • Mexico • Singapore • United Kingdom • United States
Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
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, This is an electronic version of the print textbook. Due to electronic rights restrictions,
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to remove content from this title at any time if subsequent rights restrictions require it. For
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Important Notice: Media content referenced within the product description or the product
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Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
, CompTIA Security+ Guide to Network Copyright © 2025 Cengage Learning, Inc. ALL RIGHTS RESERVED.
Security Fundamentals, Eighth Edition
No part of this work covered by the copyright herein may be reproduced or
Mark Ciampa
distributed in any form or by any means, except as permitted by U.S. copyright law,
without the prior written permission of the copyright owner.
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Management: Mark Santee
The names of all products mentioned herein are used for identification purposes
Director, Product Management:
only and may be trademarks or registered trademarks of their respective
Rita Lombard
owners. Cengage Learning disclaims any affiliation, association, connection with,
Portfolio Product Manager: sponsorship, or endorsement by such owners.
Natalie Onderdonk
Previous edition(s): © 2022, © 2018, © 2015
Product Assistant: Anh Nguyen
WCN: 02-300
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For permission to use material from this text or product, submit all
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Mackenzie Paine ISBN: 979-8-21-400063-3
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Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connection
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all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By following
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no representations or warranties of any kind, including but not limited to, the warranties of fitness for particular purpose or
merchantability, nor are any such representations implied with respect to the material set forth herein, and the publisher takes no
responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages
resulting, in whole or part, from the readers’ use of, or reliance upon, this material.
Printed in the United States of America
Print Number: 01 Print Year: 2023
Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
Security+
Guide to Network
Security Fundamentals
Mark Ciampa, Ph.D.
Eighth Edition
Information
Security
Australia • Brazil • Canada • Mexico • Singapore • United Kingdom • United States
Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
, This is an electronic version of the print textbook. Due to electronic rights restrictions,
some third party content may be suppressed. Editorial review has deemed that any suppressed
content does not materially affect the overall learning experience. The publisher reserves the right
to remove content from this title at any time if subsequent rights restrictions require it. For
valuable information on pricing, previous editions, changes to current editions, and alternate
formats, please visit www.cengage.com/highered to search by ISBN#, author, title, or keyword for
materials in your areas of interest.
Important Notice: Media content referenced within the product description or the product
text may not be available in the eBook version.
Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
, CompTIA Security+ Guide to Network Copyright © 2025 Cengage Learning, Inc. ALL RIGHTS RESERVED.
Security Fundamentals, Eighth Edition
No part of this work covered by the copyright herein may be reproduced or
Mark Ciampa
distributed in any form or by any means, except as permitted by U.S. copyright law,
without the prior written permission of the copyright owner.
SVP, Product: Cheryl Costantini
Unless otherwise noted, all content is Copyright © Cengage Learning, Inc.
VP, Product: Thais Alencar
Microsoft is a registered trademark of Microsoft Corporation in the U.S. and/or
Senior Product Director, Portfolio Product other countries.
Management: Mark Santee
The names of all products mentioned herein are used for identification purposes
Director, Product Management:
only and may be trademarks or registered trademarks of their respective
Rita Lombard
owners. Cengage Learning disclaims any affiliation, association, connection with,
Portfolio Product Manager: sponsorship, or endorsement by such owners.
Natalie Onderdonk
Previous edition(s): © 2022, © 2018, © 2015
Product Assistant: Anh Nguyen
WCN: 02-300
Learning Designer: Carolyn Mako
Senior Content Manager: For product information and technology assistance, contact us at
Brooke Greenhouse
Cengage Customer & Sales Support, 1-800-354-9706 or support.cengage.com.
Digital Project Manager: Jim Vaughey
For permission to use material from this text or product, submit all
Technical Editor: Danielle Shaw
requests online at www.copyright.com.
Developmental Editor: Lisa Ruffolo
VP, Product Marketing: Jason Sakos
Director, Product Marketing: Danae April Library of Congress Control Number: 2023916394
Product Marketing Manager:
Mackenzie Paine ISBN: 979-8-21-400063-3
Looseleaf: ISBN: 979-8-21-400064-0
Portfolio Specialist: Matt Schiesl
Content Acquisition Analyst: Callum Panno
Cengage
Production Service: Straive 5191 Natorp Boulevard
Mason, OH 45040
Senior Designer: Erin Griffin
USA
Cover Image Source:
shuoshu/DigitalVision Vectors/Getty Images
Cengage is a leading provider of customized learning solutions. Our employees
reside in nearly 40 different countries and serve digital learners in 165 countries
around the world. Find your local representative at www.cengage.com.
To learn more about Cengage platforms and services, register or access your online
learning solution, or purchase materials for your course, visit www.cengage.com.
Notice to the Reader
Publisher does not warrant or guarantee any of the products described herein or perform any independent analysis in connection
with any of the product information contained herein. Publisher does not assume, and expressly disclaims, any obligation to obtain
and include information other than that provided to it by the manufacturer. The reader is expressly warned to consider and adopt
all safety precautions that might be indicated by the activities described herein and to avoid all potential hazards. By following
the instructions contained herein, the reader willingly assumes all risks in connection with such instructions. The publisher makes
no representations or warranties of any kind, including but not limited to, the warranties of fitness for particular purpose or
merchantability, nor are any such representations implied with respect to the material set forth herein, and the publisher takes no
responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages
resulting, in whole or part, from the readers’ use of, or reliance upon, this material.
Printed in the United States of America
Print Number: 01 Print Year: 2023
Copyright 2025 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).
Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.
