Publications

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Although technological advances provide new capabilities to increase the robustness of security systems, they also potentially introduce new vulnerabilities. New capability sometimes requires new performance requirements. This paper outlines an approach to establishing a key performance requirement for an emerging intrusion detection sensor: the sensored net. Throughout the security industry, the commonly adopted standard for maximum opening size through barriers is a requirement based on square inchestypically 96 square inches. Unlike standard rigid opening, the dimensions of a flexible aperture are not fixed, but variable and conformable. It is demonstrably simple for a human intruder to move through a 96-square-inch opening that is conformable to the human body. The longstanding 96-square-inch requirement itself, though firmly embedded in policy and best practice, lacks a documented empirical basis. This analysis concluded that the traditional 96-square-inch standard for openings is insufficient for flexible openings that are conformable to the human body. Instead, a circumference standard is recommended for these newer types of sensored barriers. The recommended maximum circumference for a flexible opening should be no more than 26 inches, as measured on the inside of the netting material.

Technological advances provide new capabilities to increase the robustness of security systems, but can also potentially add new vulnerabilities. New capability sometimes requires new performance requirements. This paper outlines an approach to establishing a crucial performance requirement for an emerging intrusion detection sensor: the sensored net. Throughout the security industry, the commonly adopted standard for maximum opening size through barriers is a requirement based on square inches-typically 96 square inches (620.1 square centimeters). The dimensions of a flexible aperture, unlike those of standard rigid openings, are not fixed, but are variable and conformable. It has been demonstrated that a human intruder can move through a 96-square-inch opening that is conformable to the human body with ease. The longstanding 96-square-inch requirement itself, though firmly embedded in policy and best practice, lacks a documented empirical basis. This paper proposes to define a new requirements approach for flexible netting intrusion detection systems that is risk based and documented. An illustrative requirement is developed based on performance testing and statistical analysis to validate this approach. © 2012 IEEE.

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