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Case Study: Predicting the Impact of a Physical Access Control Intervention

Caulfield, T; Parkin, S; (2016) Case Study: Predicting the Impact of a Physical Access Control Intervention. In: Bella, G and Lenzini, G, (eds.) Proceedings of the 6th Workshop on Socio-Technical Aspects in Security and Trust 2016. (pp. pp. 37-46). ACM: Los Angeles, CA, USA. Green open access

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Abstract

We investigate a planned physical security intervention at a partner organisation site, to determine the potential individual cost of security upon employees when replacing a secure door with a turnstile. Systems modelling techniques are applied to model the lobby area of the site, and to guide data collection to situate the model. Managers at the site were consulted during preference elicitation to identify meaningful model parameters. Direct observation of regular employee behaviours from pre-recorded CCTV footage provided localised data: 1800 sequences of behaviour events were logged over one working day for approximately 600 employees and visitors. This included responses to security events, such as returning to the card reader or moving to a different turnstile. Model results showed that if one turnstile was implemented at the observed site, an average of 0.5 seconds would be added to individual entry times for employees, amounting to over sixty hours for the site as a whole over a year. Three turnstiles approach the time cost of a secure door.

Type: Proceedings paper
Title: Case Study: Predicting the Impact of a Physical Access Control Intervention
Event: 6th Workshop on Socio-Technical Aspects in Security and Trust (STAST)
Location: Los Angeles, CA
Dates: 05 December 2016
ISBN-13: 978-1-4503-4826-3
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/3046055.3046056
Publisher version: http://dx.doi.org/10.1145/3046055.3046056
Language: English
Additional information: Security Modelling; Security Interventions; Physical Security
Keywords: Science & Technology, Social Sciences, Technology, Computer Science, Information Systems, Computer Science, Interdisciplinary Applications, Computer Science, Theory & Methods, Information Science & Library Science, Social Sciences, Interdisciplinary, Computer Science, Social Sciences - Other Topics, Security Modelling, Security Interventions, Physical Security
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: https://discovery.ucl.ac.uk/id/eprint/10052602
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