Cybersecurity Risk Management. Cynthia Brumfield
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Cybersecurity Risk Management
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
This edition first published 2022
© 2022 Cynthia Brumfield and Brian Haugli
Published by John Wiley & Sons, Inc.
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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
This book is dedicated to Lloyd and Delma Brumfield, who gave me everything I needed, and then some.
Contents
1 Cover
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