Suriyanarayanan worked on the ebookfoundation/free-programming-books repository, delivering a security-focused update by migrating all course resource URLs from HTTP to HTTPS. This change addressed outdated links and eliminated mixed-content risks, ensuring that learners could reliably and securely access course materials. The work involved careful documentation updates using Markdown and applied web development best practices to enforce HTTPS across the repository. Suriyanarayanan maintained clear commit history for traceability, supporting future maintenance and repository trust. Although the project scope was limited to a single feature over one month, the update improved the repository’s security posture and enhanced the reliability of educational resources.