Supported by the following organizations
This is to certify that Yong Chin Han successfully completed and received a passing grade in CS50 Cybersecurity: CS50's Introduction to Cybersecurity a course of study offered by HarvardX, an online learning initiative of Harvard University.
Noted by
David J. Malan
Gordon McKay Professor of the Practice of Computer Science Harvard University
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- Verified Certificate Issued February 23, 2026
- Valid Certificate ID e3e5ca70056340c69bb660c83914a40f