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Course

CS50 Cybersecurity

Run by Harvard University

OnlineOnline (global)Self-paced; ~5 weeksFreeOpenLow effort

About this opportunity

<p>CS50's Introduction to Cybersecurity is a free online course from Harvard University aimed at both technical and non-technical audiences. Learners build an understanding of how to protect accounts, data, systems, and software against current and emerging threats, and how to think about cybersecurity as a trade-off between risk, reward, and usability. The course is self-paced and delivered through Harvard's OpenCourseWare site.</p> <ul> <li>Eligibility: open to all — no prior experience required</li> <li>Duration: about five weeks of material, plus a final project</li> <li>Weekly topics: Securing Accounts, Securing Data, Securing Systems, Securing Software, and Preserving Privacy</li> <li>Instructor: David J. Malan, Harvard University</li> <li>Assignments inspired by real-world events; final project required for completion</li> <li>Cost: free to take via OpenCourseWare; a verified certificate is available for an optional fee through edX</li> </ul> <p>Create an edX account to submit assignments for feedback, or register through Harvard Extension / Summer School if you want transfer credit.</p>

Who can apply

Open to all; no prior experience required

What you get

Certificate

Frequently asked

Who runs this?+

Run by Harvard University. More on their website.

Who can apply?+

Open to all; no prior experience required

Is it paid?+

Free to apply. No participant fees.

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Last verified 23 April 2026·Updated 14 April 2026·Source