So, you’ve decided that you want to learn cybersecurity. What better place to start than with cryptography - an entire field dedicated to secure communication!

Now, hold on a minute. What does “secure” really mean? And how do we make things “secure”? In this chapter, we’ll take a journey into the history of where it all started.

Enter a password with at least 8 characters, a digit, and an uppercase letter.

We’ve all seen something like that before. After all, the average person uses over 100 passwords to access accounts and websites. In this chapter, we’ll look at how secure passwords really are - how they’re created, stored, and hacked.

How many days would you last without the internet?

Whether it’s checking our email, purchasing online products, or texting our friends, the internet is a central part of many people’s lives. Yet, just 60 years ago, there was no such thing as the internet! Even the idea of computers communicating with each other seemed a fairy-tale idea far into the future.

In this chapter, we’ll discover the basic concepts that allow computers to talk to each other.

Back in 1989, Tim Berners-Lee invented a technology that would shape the future of humanity: the World Wide Web.

Nowadays, you can find almost everything on a website – your local barber shop, your favourite Italian restaurant. However, with the power of the web also comes the danger of misuse. How are hackers able to exploit websites to steal information? What even makes up a website in the first place? We’ll answer those questions in this chapter!

Congratulations on making it to the last chapter! You’re likely viewing this course in a web browser like Chrome, or an operating system such as Windows or MacOS. What makes these operating systems different? What do all operating systems have in common? In this chapter, we’ll dive into how programs run and how operating systems work.

Coding is a fundamental skill that has made its way into every industry: car washing, financial accounting, spaceships - you name it! In this course, you’ll learn the basics of programming, while sharpening your analytical thinking and problem-solving skills. Beyond the impact that code makes on our daily lives, learning how to code sharpens your analytical thinking and problem-solving skills.