Faculty: Luke Dembosky


Luke Dembosky is a cybersecurity and litigation partner based in Debevoise & Plimpton’s Washington, D.C. office. He is Co-Chair of the firm’s Cybersecurity & Data Privacy practice and a member of the White Collar & Regulatory Defense Group. His practice focuses on cybersecurity incident preparation and response, related civil litigation and regulatory defense, as well as national security issues.

Mr. Dembosky’s recent cybersecurity matters include managing response to one of the largest corporate data breaches in history, leading data breach litigation for a major financial institution, and assisting a wide range of the firm’s clients in managing cyber and related supply chain risks. He is recognized in the U.S. and abroad as a leader on cybersecurity issues, and was named by the National Law Journal to its 2016 list of “Cyber Security Trailblazers.”

Mr. Dembosky joined Debevoise in March 2016 after serving as Deputy Assistant Attorney General for National Security at the U.S. Department of Justice. In this capacity, he oversaw all national security cyber cases, and was the first to manage a new “National Asset Protection” portfolio covering cybersecurity, economic espionage, export control and foreign investment review matters, giving him responsibility over a wide range of technology-related threats. As DAAG, Mr. Dembosky also oversaw the National Security Cyber Specialists network of prosecutors throughout the United States, along with the Foreign Investment Review Staff. He regularly represented DOJ and the Federal Bureau of Investigation in the Committee on Foreign Investment in the United States and in review of international telecommunications licensing matters.

Mr. Dembosky has been involved in leading DOJ’s response to many of the largest cyber incidents in recent years, serving as the senior DOJ official on the Target, Sony Pictures, Home Depot, Anthem and OPM breaches, among many others. He also received the Attorney General’s Distinguished Service Award for leading the operation to dismantle the GameOver Zeus botnet that caused hundreds of millions of dollars in losses to the U.S. financial sector. Mr. Dembosky has been a regular advisor to the senior leadership of the DOJ, FBI, Secret Service, National Security Council and other agencies regarding major cyber cases and related legal and policy issues. He participated in the negotiation of a 2013 cyber accord with Russia and the historic 5-point agreement signed by President Obama and President Xi Jinping of China in 2015, and has co-represented DOJ in cyber discussions at the United Nations.

From March 2013 to October 2014, Mr. Dembosky served as Deputy Chief for Litigation in the Computer Crime and Intellectual Property Section of the Department of Justice, where he supervised all cybersecurity and intellectual property crime prosecutions by the 35 attorneys in the section. From fall 2010 to spring 2013, he served as the Department of Justice’s representative at the U.S. Embassy in Moscow. There, he managed the Department of Justice’s transnational crime portfolio at the embassy, represented the United States in high-level diplomatic engagements with Russia and other countries, advised the Ambassador and other senior U.S. officials, and worked to build international cooperation on cyber, intellectual property and other matters.

Before joining DOJ, Mr. Dembosky was a litigation associate with two law firms from 1996 to 2002, and served as a law clerk to the Hon. Richard L. Nygaard of the U.S. Court of Appeals for the Third Circuit from 1994 to 1995.

He is admitted to the bars of Pennsylvania, Delaware and the District of Columbia.

Mr. Dembosky is a member of the newly established International Bar Association Presidential Task Force on Cybersecurity as well as Vice Chair of the Cybersecurity, Privacy and Data Protection Committee of the ABA’s Public Contract Law Section. He is also Co-Chair of the Information Sharing and Analysis Organization Governance Working Group leading the development of internal governance guidance for ISAOs as part of the White House initiative to establish cybersecurity threat sharing platforms across industry.

Mr. Dembosky earned his J.D cum laude from the University of Pittsburgh School of Law in 1994, where he was elected to Order of the Coif, Order of the Barristers and was Managing Editor of the University of Pittsburgh Law Review. He received his B.A., with High Distinction, from Pennsylvania State University in 1990.