This course introduces students to the foundational concepts of cybersecurity and the essential principles of the cyber domain. It covers the basic frameworks, terminology, and tools used in the protection of information systems, networks, and data from cyber threats. Topics include network security, risk management, threat analysis, ethical hacking, and cybersecurity policies. Students will also explore the roles of various cyber actors, including state and non-state threats, and the impact of cyber operations on national security. Through hands-on labs and case studies, students will gain practical experience in identifying vulnerabilities and defending against common cyber threats in diverse environments.