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Cyber Security & Network Security Fundamentals 2026

Name: Cyber Security & Network Security Fundamentals 2026
Rating: 4.9 (33 reviews)

Learn Network Security, Firewalls, Cyber Attacks, IDS/IPS, DDoS Protection & Security Best Practices for Beginners

Highest Rated

Created byNetDefense Academy

Last updated 6/2026

English

English [Auto],

What you'll learn

Understand core Cyber Security and Network Security concepts including threats, risks, and defense strategies used in real-world environments.
Learn how firewalls work including packet filtering, proxy, and next-generation firewalls (NGFW) with real-world use cases.
Identify cyber attacks like malware, ransomware, DDoS, and zero-day attacks and learn how to detect and mitigate them.
Apply security best practices such as authentication (AAA), network segmentation, least privilege, and access control.

Course content

7 sections • 28 lectures • 8h 14m total length

Introduction to Network Security16:41
Quick Points About This Learning Journey!0:44
Understanding the Importance of Network Security7:48
Understand why network security underpins trust by protecting confidentiality, integrity, and availability, and explore defenses like firewalls, encryption, IDS/IPS, and data loss prevention against modern threats.
Common Cyber Threats & Security Risks Explained36:37
Evolution of Network Security (Past → Present → Future)20:37
Trace the evolution of network security from early firewalls to zero trust and cloud-based protections. Learn how IDS/IPS, VPNs, encryption, UTM, NGFW, AI/ML-driven analytics, and SOAR shape modern defense.

Fundamentals of Network Architecture14:16
Basics of Network Architecture and Components29:44
Identifying Vulnerabilities in Network Infrastructure20:56
Identify vulnerabilities in network infrastructure through automated scanning, manual inspection, and pen testing, then mitigate risk with patch management, configuration auditing, continuous monitoring, and vendor alerts and threat intelligence.
Anatomy of a Cyber Attack Explained21:51
Explore the anatomy of cyber attacks, aka the cyber kill chain, covering recognitions, initial access, privilege escalation, lateral movement, data exfiltration, and post-attack activities.

Threat Prevention and Mitigation Strategies11:23
Proactive Measures against Malware, Viruses, and Ransomware7:36
DDoS Attacks: Detection & Mitigation Techniques18:04
Detect and mitigate DDoS attacks by applying traffic scrubbing, anomaly detection, load balancing with redundancy, rate limiting, CDNs, WAF, ISP collaboration, and incident response planning.
Zero-Day Attacks & Vulnerability Management9:59

Security Best Practices and Policies2:28
Designing & Implementing Effective Security Policies11:03
Assess security risks and understand compliance requirements to guide policy development. Create clear policies on access control, data protection, and incident response, train staff, and implement regular reviews and updates.
Authentication, Authorization & Access Control (AAA)17:22
Learn about user access control and authentication mechanisms, including rbac, dac, mac, abac, least privilege, passwords, mfa, biometrics, tokens, and certificate-based authentication.
Network Segmentation & Least Privilege Principles9:52
Explore network segmentation and the least privilege principle to boost security via isolation and traffic control. Learn how IP subnetting and VLANs enable segmentation with firewalls and ACLs.

Requirements

No prior cybersecurity knowledge required. This course is beginner-friendly and starts from the basics.
Basic understanding of networking concepts (IP, devices, internet) is helpful but not mandatory.
A computer or laptop with internet connection to access course materials and practice concepts.
Willingness to learn cybersecurity concepts and explore real-world security scenarios.

Description

Are you ready to start your journey into Cyber Security and Network Security?

In today’s digital world, cyber threats are growing rapidly. From malware and ransomware to advanced cyber attacks and zero-day vulnerabilities, organizations need skilled professionals who can secure networks and protect critical systems.

This course is designed to provide a strong foundation in Cyber Security and Network Security, making it perfect for beginners and IT professionals looking to transition into security roles.

You will start by understanding the importance of network security, followed by exploring common threats and how cyber attacks actually work. You will then dive into one of the most critical security components — firewalls, including packet filtering, proxy firewalls, and next-generation firewalls (NGFW).

The course also covers Intrusion Detection and Prevention Systems (IDS/IPS), application control, and content filtering techniques used in real-world environments. You will learn how to defend against DDoS attacks, malware, ransomware, and zero-day threats, along with implementing essential security best practices like authentication (AAA), network segmentation, and least privilege.

Finally, we explore modern trends such as cloud security, SD-WAN integration, and AI-driven cybersecurity.

By the end of this course, you will have a solid understanding of how to secure networks and will be ready to move into advanced cybersecurity technologies like Palo Alto, Fortinet, and more.

What You Will Learn:

Core concepts of Network Security & Cyber Security
Understanding real-world cyber threats and attacks
How firewalls work (Packet Filtering, Proxy, NGFW)
IDS/IPS, Application Control & Content Filtering
Protection against DDoS, Malware & Ransomware
Security best practices like AAA, segmentation & least privilege
Introduction to Cloud Security, SD-WAN & AI in Cybersecurity

Why This Course?

Beginner-friendly explanations
Real-world examples from enterprise environments
Strong foundation for advanced courses (Palo Alto, Fortinet, Check Point)
Perfect starting point for Cyber Security careers

Who This Course Is For:

Beginners interested in Cyber Security
IT / Networking students
Professionals moving into Security roles
Anyone preparing for security certifications

Requirements

Basic understanding of networking (helpful but not mandatory)
Willingness to learn and explore cybersecurity concepts

Who this course is for:

Beginners who want to start a career in Cyber Security and Network Security.
IT students and fresh graduates looking to build strong security fundamentals.
Network engineers or IT professionals transitioning into cybersecurity roles.
Anyone interested in understanding cyber threats, hacking concepts, and how to protect systems and networks.

Cyber Security & Network Security Fundamentals 2026

What you'll learn

Explore related topics

Course content

Network Security Foundations5 lectures • 1hr 22min

Network Architecture & Attack Surface4 lectures • 1hr 27min

Firewall Fundamentals (Core Security Layer)4 lectures • 1hr 48min

Firewall Features & Security Capabilities4 lectures • 1hr 25min

Threat Prevention & Cyber Defense Strategies4 lectures • 47min

Security Best Practices & Access Control4 lectures • 41min

Advanced Security Technologies & Future Trends3 lectures • 44min

Requirements

Description

Who this course is for: