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

Understanding the Internet of Things

Let's start by defining the IoT as a collection of devices that are capable of connecting to the internet to share data and resources.

Some examples could be your smartwatch or your smart TV (yes, they like to put the word smart on IoT devices), but many other devices in your office, such as the copy machine, the printers, and even the coffee machine, could be IoT-enabled devices that need to be analyzed for vulnerabilities before allowing them to be connected to the internet. The following are some examples of IoT devices:

Figure 10.1 – Examples of IoT devices

Companies are realizing the benefits of connecting devices to the internet. These benefits include the addition of new functionality and the harvesting of data regarding customer use or habits (very useful to improve future products). Additionally, companies can create connected ecosystems by sharing services, data, or features through devices, greatly...