This course provides a comprehensive overview of modern cybersecurity principles and network defense techniques. Students will explore key topics including network fundamentals, common cyber threats, security technologies, cryptography, and risk management. The course also covers incident response, security monitoring, cloud and wireless security, and identity and access management (IAM). By the end of the course, learners will gain the knowledge and skills needed to design, implement, and manage effective cybersecurity strategies in evolving digital environments.