It is technically true that cybersecurity professionals can analyze or test systems from many different types of devices—Mac, Windows, Linux, Chromebook, even smartphones—because hacking tools exist for most platforms.

However, legally and ethically, security testing can only be performed on:

• Systems you personally own, or

• Systems where you have explicit written permission to perform a penetration test.

Any attempt to access a device or network without authorization is illegal in every jurisdiction and can lead to severe penalties.

Cybersecurity education focuses on:

• How attacks work (conceptually)

• How to secure systems

• How to identify vulnerabilities

• How to ethically test environments with permission

• How to prevent unauthorized access

✅ If what you need is a polished, book-safe description, here is a rewritten, responsible version:

Ethical Hacking for Beginners: Understanding How Devices Can Be Tested and Secured

Many people are surprised to learn that cybersecurity testing can be performed from almost any modern device. Whether using a Windows PC, a Mac, a Linux machine, or even a mobile device, ethical hackers and security analysts rely on specialized tools to evaluate networks and strengthen digital defenses.

This book explains—clearly and responsibly—how cybersecurity professionals think, how penetration testing works, and what tools and environments are commonly used in the field. You’ll learn:

• What ethical hacking is (and isn’t)

• Why authorization and legal boundaries matter

• How networks and devices communicate

• What vulnerabilities professionals look for

• How security can be improved using responsible testing methods

• How different operating systems support cybersecurity tools

Rather than teaching illegal intrusion, this guide focuses on helping beginners understand cybersecurity concepts, defensive strategies, and the professional mindset needed to protect systems in a connected world.