Book Image

Mastering Defensive Security

By : Cesar Bravo
Book Image

Mastering Defensive Security

By: Cesar Bravo

Overview of this book

Every organization has its own data and digital assets that need to be protected against an ever-growing threat landscape that compromises the availability, integrity, and confidentiality of crucial data. Therefore, it is important to train professionals in the latest defensive security skills and tools to secure them. Mastering Defensive Security provides you with in-depth knowledge of the latest cybersecurity threats along with the best tools and techniques needed to keep your infrastructure secure. The book begins by establishing a strong foundation of cybersecurity concepts and advances to explore the latest security technologies such as Wireshark, Damn Vulnerable Web App (DVWA), Burp Suite, OpenVAS, and Nmap, hardware threats such as a weaponized Raspberry Pi, and hardening techniques for Unix, Windows, web applications, and cloud infrastructures. As you make progress through the chapters, you'll get to grips with several advanced techniques such as malware analysis, security automation, computer forensics, and vulnerability assessment, which will help you to leverage pentesting for security. By the end of this book, you'll have become familiar with creating your own defensive security tools using IoT devices and developed advanced defensive security skills.
Table of Contents (23 chapters)
Section 1: Mastering Defensive Security Concepts
Section 2: Applying Defensive Security
Section 3: Deep Dive into Defensive Security

Creating world-class cybersecurity policies and procedures

When we work in cybersecurity, we used to think about the technical side of it: how to secure our networks, how to develop better code, how to be more resilient, and so on. However, there is a very important layer that supports all those efforts, and is the backbone of enterprise-level security: the cybersecurity policies and procedures.

However, creating them is not an easy task, and most people were never trained to do this. In fact, as IT professionals, we are used to following a tutorial or recipe to install a new system or server, but there is no such a thing as creating cybersecurity policies and procedures.

Therefore, to make this task as simple as possible, I will show you the CUDSE method (, which has been successfully used by several companies around the world as a guideline for creating best-in-class cybersecurity policies and procedures.

Cybersecurity policies

The main goal of defensive...