1. A security system comprising: a monitoring system configured to monitor a premises, the monitoring system including a sensor installed at the premises and configured to detect sensor events, wherein the monitoring system is coupled to a central monitoring station via a first communication channel; and a remote device coupled to the central monitoring station via a second communication channel and including applications that, when run on the remote device, perform operations comprising: performing a synchronization to associate the remote device with the monitoring system; based on the synchronization, receiving by the remote device one or more data communications descriptive of the sensor events detected by the monitoring system; transmitting event data of the sensor events to the central monitoring station over the secondary communication channel; displaying on the remote device a status interface that includes status information related to the monitoring system based on the received one or more data communications; displaying on the remote device a control interface configured to receive user input to control the monitoring system; receiving at the control interface user input defining a control operation for the monitoring system; and based on the user input and the synchronization, initiating one or more control communications that cause the monitoring system to perform the control operation.