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

Exploring, creating, and managing audits

At this point, we have reviewed concepts such as policies, regulations, and also a very cool defensive security strategy: Defense in Depth; however, all these policies, systems, strategies, and controls need to be tested to ensure they are giving the required results and that they are being implemented and followed.

In simple words, an audit is a process to test the compliance level of a set of policies, regulations, or requirements.

Audits can be internal or external, so let's take a quick look at both.

Internal cybersecurity audits

Normally, these audits are designed by an organization to ensure their systems, users, and data are compliant with a set of policies and regulations.

Large corporations may have a corporate-wide audit that includes data security as part of the audit.

In most cases, corporate auditors report directly to C-level management to ensure their results are as objective as possible.

Due to the level...