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)

Remediation – containment/recovery/mitigation

Remediation is where you, as the incident responder, actively engage with the threat to protect the organization from further harm. This phase is possible due to the observation and orientation tools’ high-quality data. After analyzing the data and making an appropriate decision based on the organization’s mission and legal requirements, you can implement the necessary information security measures to address the threat.

The remediation phase can be broken down into three main actions:

  1. Contain the threat:
    • Initially limiting damage: The primary objective at this stage is to ensure that the attacker is unable or finds it highly challenging to cause harm to other information systems. This could involve isolating affected systems, implementing temporary access controls, or blocking specific IP addresses or domains.
    • Fully containing the threat: In reality, you may not be able to fully contain the threat within the...