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)

Shifting from traditional perimeter-based security

As discussed, Zero Trust represents a fundamental shift from the traditional perimeter-based security approaches that have long dominated cybersecurity. This paradigm shift is driven by the recognition that traditional security models are no longer sufficient to protect organizations from the rapidly evolving threat landscape and the transformation of IT infrastructure brought about by new innovations.

The “castle-and-moat” approach relies on the premise that internal systems and users within a network are inherently trustworthy, while external threats must be kept at bay. This approach focuses on establishing a strong perimeter around the organization’s resources, using firewalls, intrusion detection and prevention systems (IDPS), and other security measures to prevent unauthorized access.

However, the perimeter-based model has several significant limitations that have become increasingly apparent as technology...