Best Free Online Cyber Security Course From World’s Top Universities in 2023


In the digital age, cybersecurity is more important than ever before. With so much of our personal and professional lives taking place online, we need to be aware of the risks and know how to protect ourselves and our data from cyber threats. Luckily, there are plenty of excellent Best free online cybersecurity courses available that can help us do just that. Here are some of the best free online cybersecurity courses to help you get started.

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1. Introduction to Cyber Attacks By New York University – Cyber Security Course

This course provides participants with a basic understanding of common cybersecurity threats, vulnerabilities, and risks. Also included is an overview of how basic cyber attacks are built and implemented on real systems. Examples include simple Unix kernel hacking, Internet worms, and Trojan horses in software utilities. Network attacks such as Distributed Denial of Service (DDOS) and botnet attacks are also explained and illustrated using concrete examples from the last few decades.
Familiar analytical models such as the Privacy/Integrity/Availability (CIA) Security Threat Framework are described and illustrated with examples of how these different types of threats can affect real-world assets.


  • Introduction to Cyber ​​Security Course
  • This module teaches basic cybersecurity concepts, including some simple basic attack vectors.
  • Understand the basic security framework
  • This module introduces some basic cybersecurity frameworks, models, and approaches, including the CIA model.
  • A closer look at cyber threats
  • This module covers some of the more intense attacks of the last decade, including worm and DDOS attacks.

2. Cryptography I By Stanford University

Cryptography I is an indispensable tool for protecting information in computer systems. In this course, you will get to know the inner workings of cryptographic systems and learn how to properly use them in real-world applications. The course begins with a detailed discussion of how two parties sharing a secret key can communicate securely when a powerful adversary eavesdrops and intercepts traffic. We will look at the many implemented protocols and analyze the faults in the existing system. The second half of the course covers public key techniques which allow two parties to generate a shared secret key.

  • Skills You Will Learn
  • Cryptography
  • Cryptographic Attacks
  • Public key cryptography
  • Symmetric key algorithm

3. Hardware Cyber Security By the University of Maryland

In this course, we will examine security and trust from a hardware perspective. After completing the course, students will understand the vulnerabilities in today’s digital system design streams and physical attacks on these systems. You will learn that security starts with hardware design and learn the tools and skills to build secure and reliable hardware.

Skills You Will Learn

  • Montgomery’s modular multiplication
  • side channel attack
  • hardware design
  • Cryptographic Hardware

4. Internet History, Technology, and Cyber Security By the University of Michigan

The influence of technology and networks on our lives, our culture, and society are continuously increasing. The fact that you can take this course from anywhere in the world requires a technological infrastructure that has been designed, engineered, and built over the last 60 years. In order to function in an information-centric world, we need to understand how network technologies work. This course opens up the internet and shows how it’s made, who makes it, and how it works. Along the way, we will meet many of the innovators who created the Internet and web technologies that we use today.

  • What you will learn
  • After this course, you will no longer take the Internet and the Web for granted.
  • You will be better informed about important technological issues facing society today.
  • You will realize that the Internet and the Web are spaces for innovation, and you will better understand how to adapt to these innovations.
  • If you are interested in the material in this course, it is a great starting point for courses in web design, web development, programming, or even network administration.
  • At the very least, you will become a much smarter netizen.

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5. Network and Security Foundations By Western Governors University

This course introduces the components of computer networking and the concept and role of communication protocols. This course covers the widely used categorical network classifications, as well as network topologies, physical devices, and layered abstractions. This course also introduces basic security concepts including network vulnerability and mitigation techniques, physical media security, and security policies and procedures.

What Will You Learn

  • Basic concepts are important for networking
  • Functional and technical components of a network system
  • Basic security concepts related to networking


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