This course offers a beginner-friendly introduction to cyber security. It covers the difference between information security and cyber security, as well as the basics of computer networks, protocols, and the CIA triad—confidentiality, integrity, and availability. These foundational concepts are crucial for understanding security measures in today’s digital world. Learners will explore various hacker types, common attacks like phishing and SQL injections, and different malware threats such as ransomware. The course also emphasizes practical defense strategies like firewalls, encryption, and multi-factor authentication, ensuring that students are prepared to protect their systems effectively. By the end of the course, students will be able to identify cyber threats, implement basic security measures, and understand how to secure networks and devices. They will also gain insight into real-world security incidents, including cyber warfare and AI’s role in shaping future security protocols, setting the stage for further cyber security learning.