Wingfield briefed journalists in September 2021: Ransomware and Retaliation.

Thomas C. Wingfield is a senior international and defense researcher at the RAND Corporation. He was appointed as the Deputy Assistant Secretary of Defense for Cyber Policy from Nov. 25, 2019, to Jan. 20, 2021.  In this capacity, he supported the Secretary of Defense and other senior Department of Defense leaders by formulating, recommending, integrating and implementing policies and strategies to improve DoD’s ability to operate in cyberspace.  Prior to this appointment, Wingfield was the Acting Chancellor and Dean of Faculty and Academic Programs at the College of Information and Cyberspace at the National Defense University in Washington, D.C.

He is the author of The Law of Information Conflict: National Security Law in Cyberspace and is one of the drafters of the Tallinn Manual on the International Law Applicable to Cyber Warfare. Wingfield holds a B.A. in History and Russian Language from Georgia State University, a Doctor of Laws (J.D.) and a Master of Laws (LL.M., with distinction, International and Comparative Law) from the Georgetown University Law Center.