Lucas Kello

AB Harvard, MPhil DPhil Oxon

Associate Professor of International Relations and Senior Lecturer, DPIR
Co-Director, Centre for Doctoral Training in Cyber Security (Dept of Computer Science)
Cyber Studies Programme
Centre for Technology and Global Affairs
International Relations Network
Office address
Department of Politics and International Relations, University of Oxford, Manor Road, Oxford, OX1 3UQ

Lucas Kello is Associate Professor of International Relations at Oxford University. He serves as Senior Lecturer in the Department of Politics and International Relations and as co-Director of the interdisciplinary Centre for Doctoral Training in Cyber Security in the Department of Computer Science. His publications include The Virtual Weapon and International Order (Yale University Press), “The Meaning of the Cyber Revolution: Perils to Theory and Statecraft” in International Security, and “Security” in The Oxford Companion to International Relations (Oxford University Press).


  • International relations theory

  • Security studies

  • Technological revolution and international order

  • Cybersecurity and cyber conflict

Lucas Kello



Department of Politics and International Relations

International Security and Conflict (PPE/History & Politics)

International Relations Core Seminar (MPhil IR)


Department of Computer Science

Cross-Disciplinary Research Methods (DPhil Cyber Security)

Cyber International Relations (DPhil Cyber Security)

Strategy and Doctrine (DPhil Cyber Security)

Computers in Society (BA Computer Science / MSc Advanced Computer Science)


Saïd Business School

Smart Space Elective (MBA)


Striking Back: The End of Peace in Cyberspace and How to Restore It (New Haven: Yale University Press, forthcoming 2022)

The Virtual Weapon and International Order (New Haven: Yale University Press, 2017), Translations available in Korean and Greek


Selected journal articles, book chapters, and essays

“The State in the Digital Era: Supreme or in Decline?,” in Corneliu Bjola and Markus Kornprobst, eds., Digital International Relations (under review at Cambridge University Press)

“Cyber Legalism: Why It Fails and What to Do about It,” Journal of Cybersecurity, Volume 7, Issue 1 (2021)

“Private Sector Cyber Weapons: An Adequate Response to the Sovereignty Gap?,” in Herbert Lin and Amy Zegart, eds., Bytes, Bombs, and Spies: The Strategic Dimensions of Offensive Cyber Operations (Washington, D.C.: Brookings Institution Press, 2019)

“Cyber Threats,” in Thomas G. Weiss and Sam Daws, eds., The Oxford Handbook on the United Nations, second edition (Oxford: Oxford University Press, 2018)

“European Cyber Defense,” in Hugo Meijer and Marco Wyss, eds., The Handbook of European Defence Policies and Armed Forces (Oxford: Oxford University Press, 2018)

“The Security Dilemma of Cyberspace: Ancient Logic, New Problems,” A review of Ben Buchanan's The Cybersecurity Dilemma: Hacking, Trust and Fear Between Nations, Oxford University Press, Lawfare (2017)

“Cyber Security: Gridlock and Innovation,” in David Held and Thomas Hale, eds., Beyond Gridlock (Cambridge: Polity, 2017)

“The Virtual Weapon: Dilemmas and Future Scenarios” (French version: “Les cyberarmes: Dilemmes et futurs possibles”), Politique étrangère, Vol. 79, No. 4 (2015)

“Correspondence: A Cyber Disagreement,” International Security, Vol. 39, No. 2 (Fall 2014)

“Security,” in Joel Krieger, ed., The Oxford Companion to International Relations, 3rd Edition (Oxford: Oxford University Press, 2014)

“The Shape of the Cyber Danger,” Policy Brief, Belfer Center for Science and International Affairs, Harvard University (2014)

“The Meaning of the Cyber Revolution: Perils to Theory and Statecraft,” International Security, Vol. 38, No. 2 (Fall 2013), pp. 7-40

“The Skeptics Misconstrue the Cyber Revolution,” H-Diplo / International Security Studies Forum (2013)

“The Advantages of Latitude: Estonia’s Post-Communist Success Story,” in David Bosold, Petr Drulák, and Nik Hynek, eds., Democratization and Security in Central and Eastern Europe and the Post-Soviet States (Baden-Baden: Nomos, 2012)

“European States Systems: Small-State Consequences,” Akadeemia: War and Peace, [Special Issue] Vol. 9 (2009)