“…Among these, the work of Tumkevič (2019) is particularly relevant, drawing attention to the emergence of a 'negative cooperation' between US-China and US-Russia in cyberspace by subscribing to the perspective of defensive realism. Watanabe (2020), on the other hand, particularly addresses 'capacity building' in cyberspace and provides a more comprehensive framework by applying three theoretical approaches (Liberalism, Realism, and Constructivism), thus, explaining military capacity building in cyberspace with realism, economic capacity building with liberalism, and normative capacity building with constructivism. Again, even though his work provides the literature with a qualified point of view from the lenses of the grand theories of IR, the robustness of these findings may be questioned if not supported by empirical data.…”