Organizational focus on cyber defense is more important than ever as cyber breaches have a far greater financial impact and can cause broad reputational damage. Despite best efforts to prevent breaches, many organizations are still being compromised. Therefore organizations must have, as part of their defense mechanisms, trained network defenders who are focused on protecting, detecting, and responding to the threats on their networks. Network administrators spends a lot of time with network environments, and are familiar with network components, traffic, performance and utilization, location of each system, security policy, etc. So, organizations can be much better in defending themselves from vicious attacks if the IT and network administrators equipped with adequate network security skills .Thus Network administrator can play a significant role in network defense and become first line of defense for any organizations. There is no proper tactical network security training that is made available for network administrators which provides them core network security skills. Students enrolled in the Certified Network Defender course, will gain a detailed understanding and hands on ability to function in real life situations involving network defense. They will gain the technical depth required to actively design a secure network in your organization. This program will be akin to learning math instead of just using a calculator. This course gives you the fundamental understanding of the true construct of data transfer, network technologies, software technologies so that you understand how networks operate, understand what software is automating and how to analyze the subject material.