A method includes receiving, by a computing device, first data from a sensor, the first data including a first timestamp and an event that triggered an alarm; receiving, by the computing device, second data from a remote computing environment, the second data including a second timestamp different from the first time stamp and specifying an action taken in response to the alarm; and rendering a screen on a display of a computing device, the screen including the first and second data represented as a sequence of events ordered by time based on the first and second timestamps.