Research

Publications

Will Artificial Intelligence (AI) Hone North Korea’s Cyber ‘All-Purpose Sword’?
with Scott Harold, Nathan Beauchamp-Mustafaga, Diana Myers, and Derek Grossman
Korea Economic Institute of America, Special Report No. 7, 2022 Link

Combating Foreign Influence Efforts on Social Media: Study Overview and Conclusions
with Raphael S. Cohen, Nathan Beauchamp-Mustafaga, Joseph Cheravitch, Alyssa Demus, Scott W. Harold, Michael Schwille, Elina Treyger, Nathan Vest
RAND Corporation, 2021 Link

North Korea’s Cyber Operations: Strategy and Responses
with Scott LaFoy and Ethan Sohn
Center for Strategic and International Studies (CSIS), Rowman & Littlefield, 2015 Link

Getting China to Sanction North Korea
with Nathan Beauchamp-Mustafaga
Yonsei Journal of International Studies, 5(1), 2013 Link

Working Papers

Coercion in Cyberspace: A Formal Model of Extortion via Encryption Link

Works in Progress

To Defend or Deter? Intelligence Competition and Sharing Mutual Vulnerabilities in Cyberspace
with Nadiya Kostyuk

Conditions for the Severity of the Cyber Commitment Problem: A Lab Experiment

Selected Policy Writing

“The U.S.-Japan-South Korea Trilateral Cybersecurity Relationship”
Atlantic Council, August 2022 Link

“Preparing the next phase of U.S. cyber strategy”
Atlantic Council, March 2022 Link

“The Pros and Cons of Mandating Reporting From Ransomware Victims”
with Nadiya Kostyuk, Lawfare, November 2021 Link

“Could Ransomware Become a Geopolitical Weapon? Game Theory Says Yes”
Politico, July 2021 Link

“How North Korea’s Cyber Power Can Undermine U.S. Sanctions Enforcement”
NK Pro, June 2021 Link

“The Political Economy of Ransomware”
War on the Rocks, June 2021 Link

“Assessing North Korea’s Cyber Threat”
In Hybrid and Transnational Threats, Friends of Europe, December 2018 Link

“Lessons from North Korea’s Cyber Operations”
In Hybrid Conflict: The Roles of Russia, North Korea, and China, Clingendael Institute, May 2018 Link

“Pyongyang’s Move to Compel Adversaries in Cyberspace”
The Cypher Brief, July 2017 Link

“Dealing with a Sore Lip: Parsing China’s ‘Recalculation’ of North Korea Policy”
38 North, March 2013 Link