This course provides a solid foundation in securing modern telecommunication networks. It covers key concepts including network security fundamentals, cryptography, telecommunication protocols, and secure access control. Students will explore tools and strategies such as firewalls, intrusion detection systems (IDS), and wireless security measures. The course also addresses advanced topics like Denial of Service (DoS/DDoS) attacks, security management, and emerging threats. Ideal for professionals seeking to enhance their expertise in network protection and resilience.