Security in Physical Environments : Algorithms and System for Automated Detection of Suspicious Activity

Secure physical environments are vulnerable to misuse by authorized users. To protect against potentially suspicious actions, data about the movement of users can be captured through the use of RFID tags and sensors, and patterns of suspicious behaviour detected in the captured data. This paper presents four types of suspicious patterns, algorithms for their detection, and the design and implementation of an integrated system which uses our algorithms for the detection of suspicious patterns in access data of physical environments.