Course Curriculum

Introduction 00:10:00
1.1 Computer Network 00:11:00
1.2 Computer Network Topologies 00:11:00
1.3 Categories of Computer Network 00:10:00
1.4 Computer Network Devices 00:11:00
1.5 Transmission Media 00:09:00
2.1 ISO/OSI Model 00:10:00
2.2 Application, Presentation, and Session Layers 00:12:00
2.3 Transport and Network Layers 00:11:00
2.4 Data Link and Physical Layers 00:09:00
2.5 ISO/OSI Model in Action 00:10:00
3.1 Introduction to Computer Networks Protocols 00:11:00
3.2 IP Protocol 00:13:00
3.3 TCP and UDP Protocols 00:12:00
3.4 Application Protocols 00:12:00
3.5 TCP/IP Characteristics and Tools 00:11:00
4.1 Wireless Networks Benefits 00:09:00
4.2 Types of Wireless Networks 00:12:00
4.3 Wireless Networks Protocol (Wi-Fi) 00:07:00
4.4 Wireless Networks Devices 00:10:00
4.5 Wireless Networks Drawbacks 00:09:00
5.1 Security Goals 00:09:00
5.2 Securing the Network Design 00:10:00
5.3 TCP/IP Security and Tools 00:12:00
5.4 Port Scanning and Tools 00:11:00
5.5 Sniffing and Tools 00:10:00
6.1 Reasons to Use Firewall 00:13:00
6.2 Firewalls Rules 00:11:00
6.3 Firewalls Filtering 00:09:00
6.4 Honeypots 00:07:00
6.5 Bypassing Firewalls 00:08:00
7.1 Intrusion Detection System: IDS 00:11:00
7.2 Network IDS: NIDS 00:06:00
7.3 NIDS Challenges 00:09:00
7.4 Snort as NIDS 00:08:00
7.5 Intrusion Prevention Systems: IPS 00:07:00
8.1 Wired Equivalent Privacy WEP Attacking 00:11:00
8.2 WPA and AES Protocols 00:09:00
8.3 Wireless Security Misconceptions 00:09:00
8.4 Wireless Attacks and Mitigation 00:09:00
8.5 Secure Network Design with Wireless 00:09:00
9.1 Physical Security Objectives 00:11:00
9.2 Physical Threats and Mitigation 00:11:00
9.3 Defense in Depth (DiD) 00:07:00
9.4 Incident 00:06:00
9.5 Incident Handling 00:14:00
10.1 Confidentiality, Integrity, and Availability (CIA) 00:06:00
10.2 Assets, Threats, and Vulnerabilities 00:04:00
10.3 Risks and Network Intrusion 00:06:00
10.4 Common Attacks 00:09:00
10.5 Security Recommendations 00:06:00
Assignment -Computer Networks Security from Scratch to Advanced 00:00:00

Computer Network Security Course Overview

Computer Network Security Course, from Scratch to Advanced, is essential knowledge in a world where almost everything runs online. This Computer networks course teaches you how networks work and how to protect them from real threats, starting with the basics and building up to advanced skills.

Every business, big or small, depends on secure networks to keep data safe. Without the right knowledge, systems become easy targets. This course explains Computer Network Security in plain, simple language, so anyone can follow along and build real confidence.

You’ll learn how data moves across networks, how attackers try to break in, and how to defend against them. The course covers firewalls, encryption, network monitoring, and how to spot weaknesses before they become serious problems.

By the end, you’ll understand Computer Network Security from the ground up, with the skills to secure real systems. Whether you’re new to IT or building on existing knowledge, this course prepares you for real-world network security work.

Learning Outcomes

  • Explain how computer networks work and how data travels between devices
  • Identify common threats and attack methods used against networks
  • Configure firewalls and basic security settings to protect systems
  • Use encryption to keep data safe and private during transmission
  • Monitor network activity to detect unusual or suspicious behaviour
  • Apply core Computer Networks Security principles to real-world systems
  • Build confidence in securing networks from beginner to advanced level

What You’ll Gain:

  • Accreditation:

Showcase your ability with our CPD accredited Computer networks course to potential employers.

  • Free Certificate:

Get a Free Digital Certificate upon successful completion of the Network security course online.

  • Computer Networks Security Foundations

Build a strong base in Computer Networks Security from scratch. Understand network types, topologies, and the devices that connect them.

  • The ISO/OSI Model

Learn how data moves through the ISO/OSI model, layer by layer. Understand each layer’s role, from application down to physical hardware.

  • TCP/IP Protocols

Understand how TCP/IP protocols manage data across networks. Learn the difference between TCP, UDP, and key application protocols.

  • Wireless Networks

Explore the benefits and drawbacks of wireless networks. Learn about Wi-Fi protocols and the devices that support them.

  • Network Security Essentials

Learn the core goals of network security and how to design safer systems. Understand tools used for port scanning and traffic sniffing.

  • Firewalls and Honeypots

Understand why firewalls matter and how their rules work. Learn how honeypots trap attackers and detect suspicious activity.

  • Intrusion Detection and Prevention

Learn how intrusion detection systems (IDS) spot suspicious network activity. Understand how intrusion prevention systems (IPS) stop threats in real time.

  • Wireless Network Security

Understand common wireless attacks and how to prevent them. Learn about WPA, AES protocols, and secure wireless network design.

  • Physical Security and Incident Handling

Learn how physical security protects network hardware and data. Understand the steps involved in handling a security incident.

  • Network Risk and Threat Analysis

Understand confidentiality, integrity, and availability (CIA) in network security. Learn to identify assets, threats, and common cyberattacks.

  • UK-Relevant Cyber Awareness

Learn how Computer Network Security connects to real UK cyber challenges. Understand how secure systems help protect wider society online.

  • Career-Ready Cybersecurity Skills

Build practical skills for roles in IT and network security. Prepare confidently for a career protecting systems from cyber threats.

With your newly acquired skills from this course can help you

  • Increase Your Hireability.
  • Make Yourself a Valuable Asset
  • Get Your Long-awaited Promotion.
  • Boost Your Pay-scale
  • Better Your Productivity

Certification:

Once you have successfully completed the Network security online course with Certificate, you will receive a PDF certificate completely free of cost as a proof of your accomplishment. The hardcopy certificate is also available for the cost of £9.99. UK students are required to pay a £10 as a delivery fee, while international students have to pay £19.99 for the shipment of a hardcopy certificate to their designated address.

Who is this course for?

This Computer networking and security course is developed for people who wish to excel in their professional and personal life. Learn from industry leaders and interact with a global network of experts by enrolling in this Network security training.

Requirements

Enrolling in our Computer Network Security Course does not require any prior knowledge or experience. All that is required is an internet-connected gadget and a passion to learn.

Network Security Jobs & Career Opportunities

  • Network Support Engineer
    An entry-level role focused on installing, monitoring, and troubleshooting network hardware and connectivity issues. It can serve as a strong starting point for a career in network security.
    Salary: £28,000–£33,000 per year
  • Network Security Analyst
    Monitors network traffic, analyses security logs, and identifies potential vulnerabilities across an organisation’s network infrastructure.
    Salary: £35,000–£42,000 per year
  • IT Security Engineer
    Provides IT security services as part of a security engineering team, with a focus on IP-based networks and security systems.
    Salary: £44,000–£50,000 per year, with progression opportunities to £56,000+
  • Network Security Engineer
    Implements and maintains network security policies, protects network infrastructure, and evaluates and integrates emerging network security technologies.
    Salary: £47,700–£63,400 per year, with higher averages possible in London
  • Senior Network Security Engineer
    A senior-level role requiring strong knowledge of network security principles, frameworks, and industry standards such as NIST, ISO/IEC 27001, and 5G/O-RAN security specifications.
    Salary: £65,000–£95,000 per year
  • Security Architect / Network Security Solutions Architect
    Designs secure network architectures, including LAN and edge security solutions, and works across large enterprise environments using major networking and security technologies.
    Salary: £65,000–£95,000+ per year

Certification:​

Once you have successfully completed this course, you can order a certificate as proof of your achievement.

A PDF certificate is available for £5.99. You can also request a hardcopy certificate for £9.99.

Delivery of the hardcopy certificate is free within the United Kingdom. For international learners, an additional delivery charge will apply based on the destination country.

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