Scott W. Tousley

U.S. Department of Homeland Security

Scott Tousley is the Deputy Director of the Cybersecurity Division, a part of the Department of Homeland Security (DHS) Science & Technology organization. He helps lead over 40 personnel and holds around $90 million annual research portfolio focused on many aspects of cybersecurity, supporting DHS Components, other government agencies and organizations, and national critical infrastructure sectors. Key areas of this RDT&E portfolio address Cyber Forensics, Insider Threat and Anonymous Networks and Currencies; Cyber-Physical systems and the “Internet of Things”; Mobile Systems cybersecurity; Software Security and Assurance; Critical Infrastructure Security and Resilience; Identity and Privacy; Cybersecurity Education and Training; and many other areas. Working with NIST/Sokwoo Rhee, Scott is helping to lead the GCTC Smart and Secure Cities and Communities Challenge. He served twenty years as an Army officer in the Corps of Engineers, many of these years in interagency technology programs, including the InitialWatch/Warning Unit Chief of the FBI/National Infrastructure Protection Center, part of the Clinton administration’s early engagement with national cybersecurity challenges. His experience also includes managing the operations security team for a large Internet Service Provider, principal with a technology start-up company in the private sector, and program manager for MITRE support to the DHS National Cybersecurity Division. He holds graduate degrees in nuclear engineering from Texas A&M, and national security strategy from the Army Command & Staff College. Mr. Tousley has served ten years with DHS, principally with S&T but also with the Domestic Nuclear Detection Office and several other parts of DHS.

Recent Content


Critical Infrastructure Security, Resilience, and the Internet of Systems – A U.S. Perspective

Pervasive and still-growing global connectivity continues to shape and change our world, our economies, our societies, and many elements of human behavior. Along with devices and their software and applications, …

Moving Beyond Cyber Wars: A Transatlantic Dialogue

Policy Report 68 In January 2018, as the German government was trying to cobble together a coalition, and the U.S. government found itself in a shut down, ten Americans and …