This pack brings together four key pillars to kickstart or strengthen your cybersecurity skills. You’ll learn how to create and configure your own virtual machine, master essential GNU/Linux commands, explore basic ethical hacking techniques on Android devices — such as accessing SMS, calls, GPS location, camera, microphone, and gallery — and discover how to use OSINT to investigate mobile phone numbers. All content is designed to be practical and easy to understand, ideal for both beginners and those looking to update their knowledge.