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      Mastering the Fundamentals Using the NIST Cybersecurity Framework

      Cynthia Brumfield

       Cybersecurity analyst, writer and President of DCT Associates, Washington, D.C., USA

       with

      Brian Haugli

       Managing Partner, SideChannel, Boston, USA

      © 2022 Cynthia Brumfield and Brian Haugli

      Published by John Wiley & Sons, Inc.

      All rights reserved. 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 or otherwise, except as permitted by law. Advice on how to obtain permission to reuse material from this title is available at http://www.wiley.com/go/permissions.

      The right of Cynthia Brumfield and Brian Haugli to be identified as the authors of this work has been asserted in accordance with law.

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       Library of Congress Cataloging-in-Publication Data

      Names: Brumfield, Cynthia, author. | Haugli, Brian, author. | John Wiley & Sons, publisher.

       Title: Cybersecurity risk management : mastering the fundamentals using the NIST cybersecurity framework / Cynthia Brumfield, Brian Haugli.

      Description: Hoboken, NJ : John Wiley & Sons, Inc., 2022. | Includes bibliographical references and index.

      Identifiers: LCCN 2021024435 (print) | LCCN 2021024436 (ebook) | ISBN 9781119816287 (hardback) | ISBN 9781119816294 (pdf) | ISBN 9781119816300 (epub) | ISBN 9781119816348 (ebook)

      Subjects: LCSH: Computer security--Risk management.

      Classification: LCC QA76.9.A25 B82 2022 (print) | LCC QA76.9.A25 (ebook) | DDC 005.8--dc23

      LC record available at https://lccn.loc.gov/2021024435 LC ebook record available at https://lccn.loc.gov/2021024436

      Cover image: © Henrik5000/Getty Images

      Cover design by Wiley

      Set in 11.5/13pt BemboStd by Integra Software Services, Pondicherry, India

      1  Cover

      2  Title page

      3  Copyright

      4  Dedication

      5  Academic Foreword

      6  Acknowledgments

      7 Preface – Overview of the NIST FrameworkBackground on the FrameworkFramework Based on Risk ManagementThe Framework CoreFramework Implementation TiersFramework ProfileOther Aspects of the Framework DocumentRecent Developments At Nist

      8 CHAPTER 1 Cybersecurity Risk Planning and ManagementIntroductionI. What Is Cybersecurity Risk Management?A. Risk Management Is a ProcessII. Asset ManagementA. Inventory Every Physical Device and System You Have and Keep the Inventory UpdatedB. Inventory Every Software Platform and Application You Use and Keep the Inventory UpdatedC. Prioritize Every Device, Software Platform, and Application Based on Importance D. Establish Personnel Security Requirements Including Third-Party StakeholdersIII. GovernanceA. Make Sure You Educate Management about RisksIV. Risk Assessment and ManagementA. Know Where You’re Vulnerable B. Identify the Threats You Face, Both Internally and ExternallyC. Focus on the Vulnerabilities and Threats That Are Most Likely AND Pose the Highest Risk to AssetsD. Develop Plans for Dealing with the Highest RisksSummaryChapter QuizEssential Reading on Cybersecurity Risk Management

      9 CHAPTER 2 User and Network Infrastructure Planning and ManagementI. IntroductionII. Infrastructure Planning and Management Is All about Protection, Where the Rubber Meets the RoadA. Identity Management, Authentication, and Access Control1. Always Be Aware of Who Has Access to Which System, for Which Period of Time, and from Where the Access Is Granted2. Establish, Maintain, and Audit an Active Control List and Process for Who Can Physically Gain Access to Systems3. Establish Policies, Procedures, and Controls for Who Has Remote Access to Systems4. Make Sure That Users Have the Least Authority Possible to Perform Their Jobs and Ensure That at Least Two Individuals Are Responsible for a Task5.

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