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)

Calculating risk – a comprehensive look at qualitative and quantitative risk assessments

Effective information security risk management requires a thorough understanding of an organization’s potential threats. To address this need, security professionals rely on risk assessments, which can be broadly classified into two main categories: qualitative and quantitative. We will delve deeper into these methodologies’ characteristics, advantages, and disadvantages while also providing insights into identifying threats and selecting the most suitable approach for your organization.

Qualitative risk analysis – subjective evaluation of threats

Qualitative risk assessments rely on subjective evaluations, where experts estimate the likelihood of a risk occurring and its potential impact on the organization. This method does not involve any mathematical calculations or specific numerical values. Instead, it allows security professionals to rank risks on a subjective...