58 free online courses in cybersecurity, cryptography and blockchain from the best universities in the world


Advertising for paid courses creeps in from all the cracks, but few people know that there are tons of free online courses and, at times, better quality than paid ones.

I bring to your attention 58 free online courses from the world’s leading universities. (If you have something to add – write in a personal or comments)



HackerOne is a bug bounty and vulnerability search platform that connects corporations and penetration testers and cybersecurity professionals. HackerOne has released their free ethical hacker training course.

Stanford University


One of the world’s best universities has published a 23-hour free course in cryptography.


Caltech talks about quantum cryptography. 10 weeks for 6-8 hours.

Princeton University



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