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)
1
Section 1: Mastering Defensive Security Concepts
7
Section 2: Applying Defensive Security
15
Section 3: Deep Dive into Defensive Security

Converting a threat into a solution

As you have seen throughout this book, there are a lot of hacking tools that an attacker can use against your infrastructure. However, as a master in defensive security, you need to leverage those threats and use them for your own benefit – use your opponent's weapon against them.

Let's look at an example. Remember the USB HID vulnerabilities that we reviewed in Chapter 2, Managing Threats, Vulnerabilities, and Risks? Well, let me show you how those vulnerabilities were leveraged to create a solution that solves another cybersecurity issue: passwords!

To start, let's begin by looking at the well-known problem of passwords.

The problem

Currently, you can use password managers to inject your passwords into applications inside your operating system, but you cannot use it to inject passwords to log into a computer. So, to log into the operating system, you will have to open the password manager application, read the...