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

Chapter 8: Enhancing Your Network Defensive Skills

"The digital economy and the knowledge society is supported by immense masses of data that navigate in cyberspace, enabling the interaction between systems, humans and companies. Thus, the future of connected humanity depends on the investment, robustness and cybersecurity of telecommunications networks."

– Luis Adrian Salazar, Former Minister of Science Technology and Telecommunication of Costa Rica

The foundation of a network security strategy should be based on knowledge of the data that is passing through this network.

You will be amazed by the huge amount of overhead that is passing through your network.

But most importantly, you will be surprised with the amount of network traffic that flows through your network even when you are not using it. Programs requesting updates, programs sending encoded data to their servers (something that we agree to when we install social media apps such as TikTok and...