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

Managing cybersecurity risks

Risk management is a very interesting topic, and there are hundreds of books and certifications about this topic. However, instead of giving you a lot of overwhelming information, I will try to summarize all the available knowledge regarding risk management, tropicalize it to the cybersecurity environment, and present you with just the right information you need in order to manage your risks like a pro!

To make this simple, let's define a risk as an event that will have an impact on your systems or infrastructure if a given condition is met. Those events are normally triggered by a threat (or a threat agent) that leverages a given vulnerability.

Now, the process of identifying and analyzing the impact and the probability of that event happening is called risk management.

All systems and infrastructures have a plurality of associated risks, so it is crucial that you identify and mitigate them as early as possible.

There are many methodologies...