“…The first category includes acoustic/sound/vibration sensors such as geophones (Katsarakis et al, 2014(Katsarakis et al, , 2016Honey, 2003). The second category includes presence/ proximity sensors or radars such as passive infrared, ultrasonic, microwave or even fence (i.e., tense, spring and other mass stimuli) sensor (Honey, 2003;Araújo et al, 2015;Saipulla et al, 2010;Tsujita et al, 2013;Jisha et al, 2010). The third category is based on the intruder movement and including speed and direction of the subject (Suthaharan and Bandari, 2012).…”