Udemy

Hands-On Network Security: Defend Real Attacks Like a Pro

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  • 22 Students
  • Updated 2/2026
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Course Information

Registration period
Year-round Recruitment
Course Level
Study Mode
Duration
2 Hour(s) 12 Minute(s)
Language
English
Taught by
Zine B
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Course Overview

Hands-On Network Security: Defend Real Attacks Like a Pro

Learn how real network attacks work and how to detect and stop them in enterprise environments

Cyber attacks don’t start with tools; they start with weaknesses in network design, configuration, and visibility.

This course is designed to help you understand how real network attacks work and, more importantly, how to defend against them in practice.


What this course is really about

This hands-on network security course focuses on real-world attack scenarios and practical defense techniques.

You will observe attacks against enterprise networks, analyze their impact, and apply concrete mitigation and protection measures.

No theory overload. You will see attacks, understand them, and stop them.


What you will learn (through hands-on labs):

In realistic lab environments, you will:

  • Observe how attackers map, analyze, and exploit network infrastructures

  • Understand common network-based attacks and their impact on systems and services

  • Identify misconfigurations and design weaknesses that lead to compromise

  • Analyze how attacks affect availability, integrity, and confidentiality

  • Implement defensive mechanisms at the network and system level

  • Apply hardening, filtering, segmentation, and monitoring techniques

  • Develop a defensive and operational security mindset

Each attack is followed by its analysis and mitigation, ensuring a clear link between risk and protection.


Who this course is for:

This course is designed for:

  • Network administrators who want to go beyond basic configurations

  • System administrators who need to understand network-level threats

  • IT professionals aiming to strengthen their security skills

  • Cybersecurity students looking for practical, realistic labs

It naturally complements broader courses covering network and system security fundamentals.


Prerequisites:

  • Basic knowledge of networking and TCP/IP

  • Familiarity with network administration concepts

  • Willingness to learn through observation and experimentation


Learning outcomes:

By the end of this course, you will be able to:

  • Understand how real network attacks work

  • Identify weak points in network and system designs

  • Implement effective, realistic defense strategies

  • Make better security decisions as an administrator or IT professional


This course fits naturally into a Network & System Security learning path, focused on real-world risks, real attacks, and real defenses.

Join the course now and start mastering real-world network defense.


Course Content

  • 6 section(s)
  • 17 lecture(s)
  • Section 1 Build Your LAB
  • Section 2 Securing DHCP Servers Against Common Attacks
  • Section 3 Understanding and Mitigating ARP Attacks
  • Section 4 Understanding and Mitigating CDP Attack
  • Section 5 Understanding and Mitigating DTP - VTP Attack
  • Section 6 Securing STP

What You’ll Learn

  • Understand Network Security Fundamentals: Learn how attackers exploit vulnerabilities in networks and how to defend against them., Identify and Mitigate Cyber Threats: Explore real-world attack techniques and implement effective security measures to protect your infrastructure, Secure Network Protocols & Devices: Strengthen your knowledge of network security, preventing unauthorized access and attacks., Gain Hands-On Experience: Perform practical labs that simulate cyber attacks and defensive strategies in a controlled environment., Develop a Security-First Mindset: Learn how to proactively detect and prevent network security breaches before they happen.


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