How the internet works (Totem)

Offered by Totem project,
How the internet works (Totem)

No clouds, just cables: explore the internet with us. Can you still picture life without the internet? In the last decade or so, the internet has cemented its place at the centre of many aspects of our lives: social communication, work, research, banking, shopping, storing photos and videos; we are heavily dependent on it. But most of us never really question how the internet works - until, perhaps, something breaks down and information is lost, or we are prevented from accessing a website or account.

The internet is in fact a complex and diverse infrastructure; an infrastructure that allows you to connect to it in either a less secure or a more secure way. This all depends on the choices you make; the tools and services you use.
Goal: In order to make more secure choices, you don’t need to be a tech expert - but you do need to understand the fundamentals of how the internet works. This knowledge is your foundation - from here, you can become an informed internet user. Like crossing the street - you do not necessarily need to know how to drive a car, but you do need to know to look left and right before you cross.
In this course you will explore the infrastructure of the internet - how it works, who owns it, and how you can make informed choices depending on your own privacy and security need.

What will you learn?
You should walk away from this course understanding:

  • How the internet works, i.e. how your emails, messages, passwords, and so on are sent across the internet
  • Who has access to what data along the way
  • What key terms like encryption, HTTP, HTTPS and metadata mean, and why these things matter
  • What you can do to better control your privacy and make your internet browsing and communication more secure

Totem is an online platform that offers interactive courses to learn how to increase digital security and privacy. The optimal user experience is currently on your desktop computer. The aim is to support journalists, human rights defenders and activists use privacy tools and tactics more effectively in their work. Not a journalist? Don’t worry these courses should work for everyone.
Start today and learn how to protect yourself online.

Go to Class
MOOC List is learner-supported. When you buy through links on our site, we may earn an affiliate commission.

Related Courses

Cyber Threat Hunting (Coursera) Coursera
Infosec

Cyber Threat Hunting (Coursera)

Learn repeatable, documentable cyber threat hunting methodologies and types of tools that will make your threat hunting more effective. This learning path progresses through six courses, in which you will build core hunting skills such as intelligence gathering, investigation techniques and remediation methods. Upon completion, you'll have the knowledge and skills to carry out cyber threat hunting activities with an organization that will ultimately deliver proactive defenses against possible debilitating data compromise.

Oct 12th 2026
5-12 Weeks
Secure Passwords (Totem) Totem
Totem project

Secure Passwords (Totem)

Pa$$word123, really? Follow your guide to good password management. By this point in the evolution of technology, most of us have a fairly large number of online accounts to keep track of, and to keep safe. It seems like we need multiple accounts for everything - email, messaging, social media, shopping, banking, project-managing, file-sharing, etc, etc - it’s all a bit endless.

Self Paced
Self-Paced
Kali Linux (Coursera) Coursera
Board Infinity

Kali Linux (Coursera)

"Introduction to Kali Linux" is a meticulously designed course to guide beginners through the essentials of Kali Linux, a powerful tool for cybersecurity. Spanning two modules, the course begins with a comprehensive introduction to Kali Linux, its installation, navigation, and essential tools. It then advances into practical applications, covering network monitoring, ethical hacking principles, penetration testing, and vulnerability assessment.

Oct 12th 2026
2 Weeks
Constructivism and Mathematics, Science, and Technology Education (Coursera) Coursera
University of Illinois at Urbana-Champaign

Constructivism and Mathematics, Science, and Technology Education (Coursera)

This course is designed to help participants examine the implications of constructivism for learning and teaching in science, mathematics, and technology focused areas. Course readings, discussions, and assignments will examine constructivist views of learning, research on students' ideas and idea-based interactions, research on instructional approaches taking student ideas into account, and challenges in implementing constructivist perspectives in instruction.

Oct 12th 2026
5-12 Weeks
Chinese Politics Part 2 - China and the World (Coursera) Coursera
The Hong Kong University of Science and Technology - HKUST

Chinese Politics Part 2 - China and the World (Coursera)

One of the most significant changes in the world in the past 30 years is the opening of China to the outside world and its engagement with that world. In the initial years of the opening, external forces influenced China’s economy, regional balances, bureaucracy, as well as the political authority of local leaders in the coastal areas.

Oct 12th 2026
5-12 Weeks
Introduction to TCP/IP (Coursera) Coursera
Yonsei University

Introduction to TCP/IP (Coursera)

You use the Internet through your PC (Personal Computer), laptop, tablet, smartpad, and smartphone every day in everything you do. Through your own PC/laptop, you can easily learn everything about the Internet, and that is what this course is focused on. In this course ‘Introduction to TCP/IP,’ you will learn the operational functions of Internet technologies (which include IPv4, IPv6, TCP, UDP, addressing, routing, domain names, etc.) and your PC/laptop's security and gateway Internet setup and basic principles.

Oct 12th 2026
5-12 Weeks
Cybersecurity Job Search and Interviews: Getting Started (Coursera) Coursera
University System of Georgia

Cybersecurity Job Search and Interviews: Getting Started (Coursera)

Are you planning to have a career in cybersecurity? This course can help you plan your preparation for such a career as well as give some advice on finding positions and landing a position. What you will learn: the process and resources for finding the perfect cybersecurity job; the cybersecurity professional’s role in an organization’s cybersecurity effort; the knowledge preparation for the cybersecurity professional from an education versus training perspective.

Oct 12th 2026
5-12 Weeks
Tricky American English Pronunciation (Coursera) Coursera
University of California, Irvine

Tricky American English Pronunciation (Coursera)

In this course, you’ll practice the sounds of American English that might sometimes be confusing. You'll practice both consonant and vowel sounds. You’ll also learn about the things that give English its special “music,” such as how to stress the right syllable in a word, how to make your voice go up and down in a natural-sounding melody, and how to naturally connect sounds and words.

Oct 12th 2026
4 Weeks