38+ Best Network Security Course and Certification in 2025
Become A
Certified Network Defender
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Developed by EC-Council, the inventors of the Certified Ethical Hacker program and respected in over 174 countries for over– 20 years.
C|ND today is used by top Fortune 500 companies making it one of the most trusted network security programs in both public and private sector.
C|ND is ANSI Accredited and Approved by the US Department of Defense under the 8140 directiv
1. CND is the world’s first network security program with an adaptive security strategy, a unique 4-pronged approach:
1. Protect 2. Detect 3. Respond 4. Predict and you learn below in these 4 approaches.
2. In C|ND course, you will also learn the following:
3. C|ND offers immersive practical training
With over 80 skill-based labs spanning more than 50% of the training, you gain real-world skills through lab-intensive practice.
So, be prepared to gain knowledge by learning and acquiring skills through practice.
What do you Learn in C|ND?
A C|ND professional is job-ready and knows to harden a network by applying:
Get familiar with basic network security concepts and master the tools and techniques needed for the initial stages of network security.
Network Defense Essentials covers the fundamental concepts of information security and network defense. This introductory cybersecurity course is designed for today’s entry-level information security or cybersecurity careers and is ideal for learners aspiring to pursue a career in cybersecurity.
The course gives a holistic overview of the key components of Information Security such as Identification, Authentication and Authorization, Virtualization and Cloud Computing, Wireless Networks, Mobile and IoT Devices, and Data Security. The interactive labs component of this course ensures that learners receive the hands-on, practical experience required for a future in cybersecurity.
NDE-certified learners have an assured means of formal recognition to add to their resumes and show off their expertise and skills to prospective employers. The purpose of the NDE certification is to recognize the competency and expertise of a professional in network defense and information security skills, thereby adding value to their workplace and employer.
Above are some of the best network security courses and certifications which are leading in the industry. While CND is the most comprehensive and most practical network security course developed by EC-Council and is also one of the most sought after certification by organizations and cybersecurity professionals.
Network security refers to the practice of securing computer networks from unauthorized access, theft, damage, or other malicious attacks. It involves using a combination of technologies, processes, and best practices to protect the network and the data it contains from various threats.
Network security can include a range of measures such as firewalls, intrusion detection systems, anti-virus software, access controls, data encryption, and regular security assessments. It also involves establishing policies and procedures for network usage, access management, and incident response.
The goal of network security is to prevent or mitigate the impact of cyber-attacks and other security incidents on an organization’s network, systems, and data. By implementing a robust network security strategy, organizations can reduce their risk of data breaches, financial losses, reputational damage, and legal liabilities.
The first phase of network security is to prevent attacks from happening in the first place. This involves implementing various security controls, such as firewalls, intrusion prevention systems (IPS), access controls, and data encryption, to safeguard the network from threats.
Despite the best preventive measures, it’s likely that some attacks may still occur. The second phase of network security involves detecting these incidents as quickly as possible through the use of monitoring tools, such as intrusion detection systems (IDS), security information and event management (SIEM), and network traffic analysis tools.
Once a security incident has been detected, the next step is to respond to it. This involves taking immediate action to contain the incident, identify the root cause, and remediate any damage caused. Incident response plans and playbooks can help organizations respond quickly and effectively to security incidents.
The final phase of network security is to recover from the incident and restore normal operations as quickly as possible. This involves assessing the impact of the incident, restoring any lost or damaged data, and making any necessary changes to prevent similar incidents from occurring in the future.
By following these four stages of network security, organizations can develop a comprehensive cybersecurity strategy that helps them protect their networks and data from a wide range of threats.
Click here to learn more about: What is Network Security
Understand: Step-by-Step Guide on Becoming a Network Security Engineer
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