Closed-circuit television (CCTV) surveillance units largely rely on the support of surveillance operators. Although this job is cognitively challenging, few studies have investigated the main human factors improving the ability to detect critical incidents in this context. This study aimed to explore the contribution of individual characteristics…

This paper estimates risk reductions for each layer of security designed to prevent commercial passenger airliners from being commandeered by terrorists, kept under control for some time, and then crashed into specific targets. Probabilistic methods are used to characterize the uncertainty of rates of deterrence, detection, and disruption, as well…