How a computer scientist helped secure the internet before the world knew the threats

History · Published 6 October 2026 · Updated 25 October 2026 Swipe more like this →

In short: Farnam Jahanian transitioned from an Iranian immigrant to a pivotal figure in cybersecurity. By identifying fundamental weaknesses in internet routing, he helped build the infrastructure that protects global networks today. His career spans from pioneering research at the University of Michigan to leading Carnegie Mellon University through a massive transformation.

Born in Tehran in 1961, Jahanian moved to the United States at age 16. After earning his PhD in computer science from the University of Texas at Austin in 1989, he began his career at IBM. His academic work at the University of Michigan in the late 1990s proved critical; his team exposed the fragility of the internet's core routing architecture. This research, which earned an ACM SIGCOMM Test of Time Award, forced a global shift in how internet service providers managed traffic and stability.

Jahanian’s foresight regarding cyber threats was remarkably early. Long before terms like zero-day worms became common, he and his team developed methods to detect and filter distributed denial of service attacks. This work led to the 2000 co-founding of Arbor Networks, a company that commercialized his research to protect mission-critical networks. By the time the company was acquired in 2010, its solutions were standard for major cloud providers and wireless carriers worldwide.

In 2011, Jahanian took the helm of the National Science Foundation’s directorate for computer and information science, managing a budget exceeding $900 million. He spearheaded national initiatives in robotics and big data while fostering public-private partnerships. Since becoming president of Carnegie Mellon University in 2018, he has overseen the institution's largest infrastructure expansion, including new research centers and the world’s first undergraduate major in artificial intelligence, while navigating complex campus debates regarding free expression and institutional tradition.

Beyond his administrative roles, Jahanian remains deeply embedded in the global innovation ecosystem. He has served on numerous advisory boards, including the President's Export Council and the World Economic Forum’s Centre for the Fourth Industrial Revolution. His career reflects a consistent focus on how academic research can be translated into practical, scalable solutions that address national security and economic competitiveness.

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