10 of the best ethical hacking courses you can take online for free

TL;DR: A wide range of online ethical hacking courses are available for free on Udemy.


Hackers are a problem in this digital age, but not every hacker is up to no good.

Ethical hacking is the practise of learning the skills of a hacker, but using those skills to highlight system vulnerabilities and implement robust cybersecurity protocols. It’s like fighting fire with fire. By understanding the ways of a hacker, you can stay one step ahead of the bad guys.

The good news is that a wide range of ethical hacking courses are available to take on Udemy. Better yet, some of the best examples of these courses are actually available for free. We have checked out everything on offer and lined up a selection of standout options to get you started.

These are the best free ethical hacking courses as of July 6:

There is a catch. Free courses don’t include things like a certificate of completion or direct messaging with the instructor. That won’t be a big problem for a lot of students though, so don’t let it hold you back from enrolling. You still get unlimited access to all the online video content, so you can learn at your own pace.

Become an ethical hacker with the best free online courses on Udemy.