セキュリティ

Security — Grokipedia Fact-checked by Grok 26 days ago Security Ara Eve Leo Sal 1x Security denotes the state or practices aimed at safeguarding valued entities—such as lives, property , information , or institutions—from threats, risks, or harm, often defined as the low probability of damage inflicted by external actors or the ability to withstand and recover from crises. [1] [2] This concept encompasses both objective dimensions, like measurable resilience against dangers, and subjective elements, such as reduced anxiety from perceived safety . [1] Rooted in human vulnerability to scarcity and conflict, security has been philosophically framed since antiquity, with thinkers like Thomas Hobbes arguing that without a sovereign authority, individuals face perpetual insecurity in a "war of all against all," necessitating the state as the primary guarantor of protection. [3] In practice, it manifests across domains including physical measures against intrusion or violence, informational safeguards via core principles of confidentiality (restricting access to authorized parties), integrity (ensuring data accuracy and unaltered state), and availability (maintaining reliable access), national strategies to preserve sovereignty amid geopolitical threats, and economic policies to buffer against instability. [4] [5] While empirical advancements in technologies like surveillance and encryption have enhanced capabilities, controversies arise in balancing security with liberties, as expansive definitions can justify overreach, and institutional biases in policy discourse often prioritize certain threats over others based on ideological lenses rather than causal evidence of harm. [6] Etymology and Historical Evolution Etymology The term "security" originates from the Latin noun sēcuritās , denoting a state of being free from care, anxiety, or danger. This derives from the adjective sēcūrus , formed by the prefix sē- ("without" or "free from") combined with cūra ("care," " worry ," or "concern"), thus literally implying a condition unburdened by existential threats or uncertainties. [7] [8] In classical Roman usage, sēcuritās emphasized personal or communal tranquility and safety, often personified as a goddess symbolizing stability amid potential perils, without implying expansive societal or ideological constructs . [9] The concept retained this core sense of absence of threat through medieval Latin and Old French securité , where it denoted protection from physical harm or doubt , entering Middle English by the early 15th century as "securite" to signify freedom from peril. [9] Historical Development The concept of security in early human societies centered on communal defense against existential threats from rival groups and environmental hazards, with empirical evidence from archaeological records showing fortified settlements dating back to the Neolithic period around 10,000 BCE in regions like the Fertile Crescent . In antiquity, this evolved into organized military structures for territorial integrity, as exemplified by the Roman legions, which originated during the Roman Kingdom circa 753 BCE and were refined through reforms in the 4th century BCE to counter invasions from Gauls and other tribes, relying on disciplined infantry and frontier fortifications to maintain empire stability amid constant barbarian pressures. [10] [11] The Treaty of Westphalia, signed on October 24, 1648, marked a pivotal causal shift by ending the Thirty Years' War and institutionalizing state sovereignty, wherein rulers gained exclusive authority over domestic affairs and territorial defense without external religious or imperial interference, thereby prioritizing balance-of-power mechanisms over medieval universalism to prevent large-scale conflagrations. [12] This framework anchored security in verifiable interstate dynamics, evidenced by subsequent European congresses like Utrecht in 1713 that reinforced equilibrium to avert dominance by any single power. During the 20th century, industrialization and total war necessitated scaled-up state capabilities, culminating in the Cold War (1947–1991) where security hinged on nuclear deterrence to avert mutual annihilation. The North Atlantic Treaty Organization (NATO) was established on April 4, 1949, as a collective defense pact among 12 founding members to counter Soviet conventional threats in Europe, with its strategy evolving to incorporate tactical nuclear weapons by the 1950s under doctrines like massive retaliation . [13] Empirical support for deterrence's efficacy includes the absence of direct U.S.-Soviet nuclear exchange despite crises like the 1962 Cuban Missile Crisis , where credible second-strike capabilities—bolstered by over 30,000 warheads at peak—imposed rational restraint on rational actors, though proxy conflicts in Korea (1950–1953) and Vietnam (1955–1975) tested conventional resolve without escalating to thermonuclear levels. [14] Post-Cold War, the dissolution of the Soviet Union in 1991 prompted debates on broadening security beyond military state threats, with the United Nations Development Programme's 1994 Human Development Report defining " human security " as freedom from fear and want across seven interlinked dimensions—economic, food, health, environmental, personal, community, and political—shifting emphasis to individual vulnerabilities amid globalization . [15] Critics, particularly from state-centric perspectives, argue this expansive approach dilutes focus on quantifiable interstate risks like aggression , complicating policy prioritization by conflating chronic socioeconomic issues with acute survival threats, as evidenced by subsequent reports' vague metrics that prioritize normative ideals over causal analyses of power imbalances. [16] Core Concepts Definitions and Referents Security denotes the state of reduced vulnerability to intentional threats that could undermine the survival or core functions of a referent object, emphasizing the objective mitigation of risks to vital interests over subjective sensations of assurance. This conception prioritizes measurable outcomes, such as the sustained probability of entity preservation amid adversarial pressures, rather than perceptual or emotional metrics. [1] [17] In security discourse, referent objects—the entities whose security is at stake—primarily encompass states, whose vital interests revolve around sovereignty , territorial integrity , and institutional continuity, alongside individuals, whose concerns center on freedom from physical violence , economic deprivation, or rights violations. Empirical assessments reveal that state-level vulnerabilities exert a pronounced causal influence on individual-level harms; for instance, nations scoring highly on the Fragile States Index, which aggregates indicators of cohesion, economic decline, and human flight, exhibit markedly elevated incidences of population-wide violence , displacement, and mortality, underscoring how state erosion precipitates diffuse personal insecurity rather than the converse. [18] [19] Security is demarcated from safety , which addresses safeguards against unintentional or accidental perils, including environmental hazards or systemic errors, in contrast to security's focus on deliberate, agent-driven antagonism such as military invasion or targeted disruption. [20] [21] It further contrasts with resilience, defined as the post-harm aptitude for restoration and adaptation to disruptions, whereas security entails proactive diminishment of threat exposure to avert damage altogether. [22] [23] First-Principles Foundations Security emerges from the fundamental human drive for self-preservation, a biological imperative rooted in evolutionary processes where organisms prioritize survival amid environmental pressures and competition for limited resources. [24] Charles Darwin's framework posits that failure to adapt to threats results in elimination from the gene pool, extending to social behaviors where individuals and groups defend against harm from rivals seeking the same scarce necessities like food and territory. [25] In human contexts, this instinct manifests as collective security measures against aggression driven by resource scarcity, which historically correlates with heightened conflict and violence. [26] Power asymmetries exacerbate vulnerabilities, as weaker entities face exploitation or subjugation by stronger competitors, necessitating defensive capacities to maintain autonomy. [27] Causally, security in an anarchic environment—lacking a supranational enforcer—demands self-reliant capabilities, particularly deterrence through credible threats of retaliation, rather than reliance on unenforceable assurances. [28] Game-theoretic models, such as the Prisoner's Dilemma applied to international interactions, illustrate how mutual suspicion in zero-sum resource disputes leads rational actors to prioritize arming over unilateral disarmament , as defection ( aggression ) yields advantages absent binding commitments. [29] [30] Deterrence succeeds by altering adversaries' cost-benefit calculations via demonstrated force , rendering attacks unprofitable, whereas diplomacy alone falters without this backing, as verbal pledges dissolve under temptation in repeated encounters. [31] Normative expansions of security to encompass freedoms from want or inequality diverge from these empirical foundations by disregarding resource trade-offs in finite systems, where allocations to socioeconomic buffers inherently diminish provisions for existential threats. Pre-World War II Europe exemplifies this dynamic: Britain's defense outlays hovered at 2.2% of GDP in 1933, rising tardily to 6.9% by 1938 amid competing fiscal demands including social programs during the Depression, while Germany's rearmament surged to 13% of GDP by 1936, facilitating territorial ambitions. [32] [33] Such imbalances underscore how prioritizing welfare over military readiness ca