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 CIA triad

The CIA triad is at the core of information security. This model is used to help the information security professional think about how best to protect organizational data. The CIA triad describes the fundamental objectives of information security and guides the implementation of security measures to protect information and information systems:

  • Confidentiality pertains to the secrecy or privacy of data. To ensure confidentiality, mechanisms such as encryption should be implemented to render data useless if accessed without authorization. Confidentiality ensures that sensitive information is only accessible to authorized individuals or entities.
  • Integrity refers to the accuracy and consistency of information. Data mustn’t be modified in an unauthorized manner, and appropriate safeguards must be in place to detect and respond to unauthorized changes in a timely manner. Integrity ensures that information is accurate, complete, and trustworthy. Measures...