From the war in Ukraine to the rise of China, the world order we came to know over the past decades is undoubtedly in a process of transformation. This reorientation also affected Europe’s security architecture, which, bringing together the former Eastern and Western blocs, converged around the ideas of inviolability of borders and peaceful conflict resolution. Overall, small states were clear beneficiaries of the security architecture which coalesced after 1990. Yet Russia’s wars against Georgia and, more recently, its aggressions in 2014 and 2022 against Ukraine, questioned basic tenets of this architecture. In parallel, with the weakening of the United States of America, China emerged both as an economic partner and investor as well as strategic competitor. How can small states in Europe respond to these new security challenges?