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Towards unpredictability in airport security

机译：走向机场安全的不可预测性

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An important responsibility of airport security is to make passengers feel safe during their travel and give airport staff the feeling of a secure work environment. Recently, the concept of unpredictability, originating in the social sciences, is discussed as prevention against insiderthreats. The assumption is that by being less predictable about where, how and what type of security measures are applied, airport security is improved. Thus, this study was particularly interested in how airport employees perceive unpredictability after experiencing an unannounced securitycontrol. This was investigated in a longitudinal online survey with an experimental group and a control group. The findings suggest that the current police strategy is indeed unpredictable and that the deterrence effect of this unpredictability sustains at least one month. Thus, unpredictabilityappears to be useful and has the potential of replacing current strategies within airport security. There is, however, a lack of scientific research, and several open questions make its use vulnerable and not (yet) reliable enough to be applied in a systematic way. For example, it is not yetknown how unpredictability influences human decision making and actual behaviour. Further, it has not yet been analysed how effective such measures in fact are — for example, how the detection performance is or whether they can substitute for other security measures. This stresses theneed for more research to gain further empirical evidence on the effectiveness of unpredictability and the related implications for airport security.
机译：机场安全的一个重要责任是让乘客在旅行期间感到安全，并送货机场人员安全的工作环境的感觉。最近，令人难以置信的概念，源于社会科学，被讨论为防范思想。假设是，通过较低的可预测，如何以及如何以及何种安全措施，机场安全得到改善。因此，本研究对机场员工在经历未经认证的安全性经历后如何感知无法预测性的尤其感兴趣。这是在具有实验组和对照组的纵向在线调查中研究。调查结果表明，目前的警察战略确实是不可预测的，这种不可预测性的威慑效应至少需要一个月。因此，不可预测的是有用的，并且有可能更换机场安全内的当前策略。然而，缺乏科学研究，几个开放问题使其使用易受攻击而不是（尚未）可靠地以系统的方式应用。例如，它尚不知道难以预测性如何影响人为的决策和实际行为。此外，尚未分析其实际上有效的措施 - 例如，检测性能如何或者是否可以替代其他安全措施。这种压力为更多的研究，以获得关于不可预测性的有效性和机场安全的有效性的进一步经验证据。

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