Book Image

Cybersecurity Blue Team Strategies

By : Kunal Sehgal, Nikolaos Thymianis
Book Image

Cybersecurity Blue Team Strategies

By: Kunal Sehgal, Nikolaos Thymianis

Overview of this book

We've reached a point where all organizational data is connected through some network. With advancements and connectivity comes ever-evolving cyber threats - compromising sensitive data and access to vulnerable systems. Cybersecurity Blue Team Strategies is a comprehensive guide that will help you extend your cybersecurity knowledge and teach you to implement blue teams in your organization from scratch. Through the course of this book, you’ll learn defensive cybersecurity measures while thinking from an attacker's perspective. With this book, you'll be able to test and assess the effectiveness of your organization’s cybersecurity posture. No matter the medium your organization has chosen- cloud, on-premises, or hybrid, this book will provide an in-depth understanding of how cyber attackers can penetrate your systems and gain access to sensitive information. Beginning with a brief overview of the importance of a blue team, you’ll learn important techniques and best practices a cybersecurity operator or a blue team practitioner should be aware of. By understanding tools, processes, and operations, you’ll be equipped with evolving solutions and strategies to overcome cybersecurity challenges and successfully manage cyber threats to avoid adversaries. By the end of this book, you'll have enough exposure to blue team operations and be able to successfully set up a blue team in your organization.
Table of Contents (18 chapters)
1
Part 1:Establishing the Blue
14
Part 3:Ask the Experts

Layers of preventive controls

In the introduction to Part 2, Controlling the Fay, of the book, we learned about a Defense-in-Depth (DiD) approach. This is a good mindset to adopt, and hence this methodology mentions a few layers where controls should be applied. A blue team should look into each of these layers to see which ones are applicable to it, and where its organization’s IT assets are located. We will review each of these layers, with some examples of preventive controls that should be considered. You can see an overview of the layers in the following diagram:

Figure 7.1 – Layers of controls

Figure 7.1 – Layers of controls

Next, we will review each of these layers and understand what a blue team should consider when defining controls for its organization.

Policy control

Policy management is required to ensure there is one single strategy and one consistent approach enforced across the organization. Hence, this is usually the first step that is taken before...