Book Image

Information Security Handbook - Second Edition

By : Darren Death
Book Image

Information Security Handbook - Second Edition

By: Darren Death

Overview of this book

Information Security Handbook is a practical guide that’ll empower you to take effective actions in securing your organization’s assets. Whether you are an experienced security professional seeking to refine your skills or someone new to the field looking to build a strong foundation, this book is designed to meet you where you are and guide you toward improving your understanding of information security. Each chapter addresses the key concepts, practical techniques, and best practices to establish a robust and effective information security program. You’ll be offered a holistic perspective on securing information, including risk management, incident response, cloud security, and supply chain considerations. This book has distilled years of experience and expertise of the author, Darren Death, into clear insights that can be applied directly to your organization’s security efforts. Whether you work in a large enterprise, a government agency, or a small business, the principles and strategies presented in this book are adaptable and scalable to suit your specific needs. By the end of this book, you’ll have all the tools and guidance needed to fortify your organization’s defenses and expand your capabilities as an information security practitioner.
Table of Contents (16 chapters)

The life cycle of risk management in information security

Effective risk management is crucial to the successful execution of an organization’s information security program. The Risk Management Framework (RMF), as outlined in the NIST Special Publication 800-37 Revision 1, provides a comprehensive life cycle model for identifying, evaluating, and addressing risks related to information and information systems. The life cycle of risk management consists of several essential stages, which are integral to safeguarding an organization’s information security. You can see this in the following figure:

Figure 4.2 – Risk management framework process

Figure 4.2 – Risk management framework process

Let’s look at the stages involved:

  1. Categorizing information systems: In this initial phase, organizations classify their information systems based on the impact a security breach would have on their operations, assets, and individuals. This process helps prioritize risk management...