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 physical security and associated threats

We often invest a huge amount of time to secure our virtual environment, however, an attacker with physical access to our systems can easily bypass many security mechanisms and systems to get easy access to our systems and data.

Therefore, it would be great for you to be familiar with the most common vulnerabilities or threats related to physical security that may impact your organization.

The powerful LAN Turtle

This seemingly innocent object enables an attacker to get remote access toolkits and man-in-the-middle attacks on a single device. The device looks like a generic USB to Ethernet adapter, so once it is connected, it would be difficult to spot it.

The attack is very simple but ingenious. As shown in the following figure, the device stays in the middle of the target computer and the network, enabling access to the attacker to perform a plurality of remote attacks against the network and the computer: