This paper examines the strategic implications of cyber deterrence within the broader field of international security, analyzing how states attempt to prevent hostile cyber activities through signaling, resilience, retaliation policies, and strategic ambiguity. It explores the challenges of applying traditional deterrence theory to cyberspace, where attribution is uncertain, thresholds for attack are ambiguous, and non-state actors play a significant role. The paper assesses how different national strategies—ranging from offensive cyber capabilities to defensive hardening and diplomatic norms—shape global stability and influence adversary behavior. It also evaluates the risks of miscalculation, escalation, and norm fragmentation as states integrate cyber deterrence into their national security doctrines. By analyzing both theoretical and practical dimensions, the paper highlights how cyber deterrence is reshaping security thinking and redefining power dynamics in the digital age.