Marcus, along with co-authors, Jennie Phillips, Brian McQuinn and Matthew E. Taylor argue that public awareness is one of Canada’s strongest defences against foreign information operations and threats to the country’s “cognitive sovereignty” — the ability of citizens to form opinions and participate in democratic debate free from external manipulation. Drawing on their research into…

In this Globe and Mail opinion, Marcus and legendary NHL goaltender Dominik Hašek examine Alexander Ovechkin’s decision to lend his fame to Vladimir Putin’s political system and argue that celebrity athletes should be accountable for how their public influence is used. The piece focuses on Ovechkin’s appearance in a 2026 campaign video for Putin’s United…

Marcus appears on ABC Radio National’s Rear Vision to discuss the resurgence of Alberta separatism and the role of foreign information operations in exploiting political divisions in Canada. The program examines the history of Canadian separatist movements and the current Alberta referendum debate, with Marcus addressing how foreign actors can amplify divisive narratives, undermine public…

Marcus appears in CPAC’s documentary series Our Information Ecosystem, examining the growing threat of transnational repression and foreign interference in Canada. The documentary explores how authoritarian states use intimidation, surveillance, threats and information manipulation to target diaspora communities, human rights activists and critics living in Canada. Marcus discusses the threat posed by these operations and…

Marcus speaks with Iran International about the growing threat of transnational repression by the Iranian regime and other authoritarian states. The interview examines Iran’s use of cyber operations, disinformation, proxies and criminal networks to intimidate critics and diaspora communities abroad, as well as the increasing use of AI in information operations. Marcus discusses the need…

In a new National Post opinion, Marcus and former Senator Stanley Kutcher argue that Canada’s growing defence partnership with Ukraine should be matched by a tougher response to hostile Russian state activity inside Canada. They call on Ottawa to review Russia’s unusually large diplomatic presence and expel officials found to be using diplomatic status for…