In an era where individuals and organizations increasingly rely on technology, the need to protect data and systems has become indispensable. Cybersecurity serves as the first line of defense against evolving digital threats that target privacy breaches, data theft, or the disruption of critical infrastructure. To address these challenges, the "Basics of Cybersecurity" course has been designed to help you understand the fundamentals of this vital field and develop the skills needed to confidently and efficiently tackle the challenges of the digital age. The course begins with a comprehensive overview of cybersecurity, including its types and its importance in safeguarding digital assets. You will also explore hacking and its stages, starting with reconnaissance and information gathering, and progressing to exploitation and control. Additionally, the course covers essential techniques like WHOIS, WhatWeb, and GHDB enabling you to understand how to access and analyze public data. Tools such as Harvester and Maltego will be introduced to analyze information and uncover relationships between various elements. We will then delve into advanced technical aspects, such as network protocols (TCP, UDP) and the OSI layers, as well as managing IP addresses and network segmentation. You will learn various scanning methodologies and techniques to understand network infrastructure and identify vulnerabilities. Furthermore, you will gain insight into Enumeration and its multiple phases, including DNS, NetBIOS, SMTP, and more, opening the door to methods for discovering system weaknesses. Moreover, the course will guide you through vulnerability assessment and penetration testing, allowing you to experiment with and test security strategies effectively. You'll also learn password-cracking methods and protective measures, enhancing your understanding of attacker tools and techniques and enabling you to build robust defenses. In summary, this course offers a balanced mix of theoretical foundations and practical experience, making it an ideal choice for anyone looking to enter the field of cybersecurity or enhance their existing skills.