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

Chapter 4: Patching Layer 8

"Cybersecurity measures are frequently focused on threats from outside an organization rather than threats posed by untrustworthy individuals inside an organization. However, insider threats are responsible of many millions losses in critical infrastructure nowadays."

– Ricardo Gazoli – Head of IT executive

Users are, by far, the most vulnerable factor in cybersecurity. In fact, a recent study revealed that more than 50 percent of attacks are caused by insiders either by accident (inadvertent users) or intentionally (malicious insiders).

One common mistake is to prepare cybersecurity specialists to deal with technical challenges such as servers and networks, and not prepare them to address all the risks related to the human factor (inadvertent users and malicious insiders). In fact, many people agree that managing the users is far more complex than dealing with systems because, in the end, you cannot just simply patch them...