Tel Aviv University’s free online cybersecurity course has been ranked the top online cybersecurity course in the world by Class Central. “Unlocking Information Security” is used in 150 countries and came 6th of all 1,750 online computer courses – higher than Princeton and Stanford.
https://www.jns.org/tel-aviv-university-cybersecurity-course-ranked-top-in-the-world/
https://en-tauonline.tau.ac.il/courses/15
https://en-tauonline.tau.ac.il/online_courses (other free TAU courses)