A computing system for managing site security through a communication device includes a mobile communication device, a notification, and the communication device. Using BLUETOOTH technology, the mobile communication device communicates with and activates the communication device and the notification. The communication device detects any noteworthy event and captures visual data accordingly, and transmits the visual data to the mobile communication device. The notification generates visual and audio alerts. A related method and storage medium with instructions for performance of the method also provided.