“…The nature of transboundary and technology-driven security issues confronting the EU is changing in origin, trajectory, and effect (Eriksson & Rhinard, 2009;Shepherd, 2021), leading to surprising and often unexplored deployments of supranational policy instruments in areas that fall within core national security interests (Genschel & Jachtenfuchs, 2016Sivan-Sevilla, 2021;Hoeffler, 2023;Schilde, 2023). The collective involvement and recognized competence of EU-level institutions in managing the allocation of security values in Europe, often in conjunction with national-level authorities, is defined here as a 'supranational security state.'…”