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- conjunto de mecanismos y acciones que buscan la detección y prevención de riesgos, con el fin de proteger algún recurso o bien material (es)
- zapewnienie ochrony pomieszczeń, sprzętów, infrastruktury i personelu przed bezpośrednimi niebezpieczeństwami (pożar, powódź, etc.) (pl)
- Sicherung eines Objektes (de)
- material security measures that are designed to deny unauthorized access to facilities, equipment and resources and to protect personnel and property from damage or harm (en)
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- Modern prisons are among some of the most physically secure facilities, with almost every area under tight access control and surveillance. Pictured here is the exterior of Shata Prison in Israel, which is secured through the use of high fences, razor wire, protective barriers, guard towers, and security lighting. (en)
- Canadian Embassy in Washington, D.C. showing planters being used as vehicle barriers to increase the standoff distance, and barriers and gates along the vehicle entrance. (en)
- Spikes atop a barrier wall act as a deterrent to people trying to climb over the wall in Aldgate, London (en)
- A drop arm optical turnstile (en)
- An electronic access control system, controlling entry through a door (en)
- Vehicle barrier at the US Mexico border, 2010
Physical barriers such as security fences, walls, and vehicle barriers act as the outermost layer of security. They serve to prevent, or at least delay, attacks, and also act as a psychological deterrent by defining the perimeter of the facility and making intrusions seem more difficult. (en)
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