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Engineering Innovations

Unveiling the Complex Web of Software Security

17 Dec 2025

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Unpacking Software Supply Chain Security with Dr. Santiago Torres AriasHosted and produced by Kristin MalavendaIn this episode of Engineering Innovations, host Kristin Malavenda speaks with Dr. Santiago Torres Arias, an assistant professor at Purdue University's Elmore Family School of Electrical and Computer Engineering. The discussion examines the complexities and importance of software supply chain security, exploring the various risks and vulnerabilities present in the modern digital landscape. Dr. Torres Arias shares insights about his research projects, including the in toto framework and the Sigstore project, both designed to protect the integrity of software throughout its development and distribution. He also touches on the interplay between cybersecurity and everyday software use, the role of machine learning, and the importance of interdisciplinary collaboration in tackling these challenges. Finally, they discuss practical advice for both consumers and students in the field of cybersecurity. 00:00 Introduction to Engineering Innovations Podcast00:58 Understanding the Software Supply Chain01:52 Dr. Santiago Torres Arias' Journey into Cybersecurity03:06 The Importance of Cybersecurity in Everyday Life08:07 In Toto: Securing the Software Development Lifecycle13:53 The Role of Open Source in Software Security15:54 Exploring the Evolution of Letters and Software Security16:29 Introduction to Applied Cryptography17:47 AI and Machine Learning in Supply Chain Security19:32 Balancing Technology Use and Security Awareness20:52 Future Challenges in Supply Chain Security21:55 Interdisciplinary Collaboration in Research23:26 Choosing Academia Over Industry24:37 Qualities of a Good Research Student25:53 Embracing Failure in Engineering27:15 A Journey into Engineering28:27 The Creative Side of Engineering29:06 Personal Hobbies and Decompression29:49 Conclusion and FarewellPurdue ECE: http://engineering.purdue.edu/ECE Facebook: http://facebook.com/purdueece X: https://x.com/PurdueECE Instagram: https://instagram.com/purdue.ece LinkedIn: https://www.linkedin.com/company/purdue-ece Purdue University's Elmore Family School of Electrical and Computer Engineering, founded in 1888, is one of the largest ECE departments in the nation and is consistently ranked among the best in the country.

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