Wark was President of the Canadian Association for Security and Intelligence Studies (CASIS) in 1998-2000 and 2004-2006. He served on the Prime Minister's Advisory Council on National Security (2005-2009).
Wark is a frequent media commentator on national security and intelligence issues on contemporary security issues. Other scholarly interests include the popular culture of espionage in the contemporary history, the study of terrorism and counter-terrorism and modern and contemporary international relations. He was also a member of the Committee on the Civil Dimension of Security of the NATO Parliamentary Assembly.
Twenty-First Century Intelligence, Routledge, 2013 (editor)
^Reviews of Espionage: Past, Present, Future?: Reg Whitaker, Canadian Historical Review, ; Martin Thornton, Intelligence and National Security, doi:10.1080/02684529508432336
^Reviews of Security and Intelligence in a Changing World: Victor Huard, Canadian Journal of History, doi:10.3138/cjh.27.3.610; Ross G. Weber, Journal of Conflict Studies, 
^Reviews of Spy Fiction, Spy Films, and Real Intelligence: Philip M. Taylor, The International History Review, JSTOR40107307; Keith Neilson, Canadian Journal of History, doi:10.3138/cjh.26.3.525
^Reviews of The Ultimate Enemy: Patrick Beesly, International History Review, JSTOR40105656; Horst Boog, Militärgeschichtliche Mitteilungen, ; Nigel Clive, International Affairs, JSTOR2618401; Andrew J. Crozier, History, JSTOR24415416; Luc De Vos, Revue belge de Philologie et d'Histoire, ; L. L. Farrar Jr., Annals of the American Academy of Political and Social Science, JSTOR1045620; M. R. D. Foot, Albion, JSTOR4049715; Alfred Gollin, The American Historical Review, JSTOR1864004; R. H., Military Affairs, JSTOR1988468; M. W. Jackson, History of European Ideas, doi:10.1016/0191-6599(88)90026-5; Keith Robbins, The English Historical Review, JSTOR571163; Peter St. John, Journal of Conflict Studies, ; Ralph White, Guerres mondiales et conflits contemporains, JSTOR25730412