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)

Zero Trust and its principles

Zero Trust is a security architecture approach that starts with the premise that every element on the network could potentially be harmful or already compromised. Therefore, access to any application is only provided after the user’s identity, the status of the device, and the relevant business context have been thoroughly validated and policy checks have been applied. Under this system, all traffic must be logged and scrutinized. This approach starkly contrasts with the traditional “trust but verify” model, which assumes that users, devices, and networks within an organization’s perimeter are inherently trustworthy.

The need for a Zero Trust approach has become increasingly apparent as organizations grapple with the reality of data breaches, insider threats, and the growing complexity of modern IT environments. With the rise of cloud computing, mobile devices, and remote work, the traditional perimeter has blurred, making...