Activating Security System Alarms Based on Data Generated by Audio/Video Recording and Communication Devices

Activating security system alarms based on data generated by audio/video (A/V) recording and communication devices in accordance with various embodiments of the present disclosure are provided. In one embodiment, an network device communicatively coupled to a security system in an armed mode is provided, the network device comprising: one or more processors; a communication module; and a non-transitory machine-readable memory storing a program comprising sets of instructions for: receiving sensor data indicative of an entry/exit event at an entry point; determining, based on at least one of motion data and image data generated by an A/V recording and communication device having a field of view, whether a person was present in the field of view of the A/V recording and communication device prior to the entry/exit event; determining whether the person is authorized; and upon determining that the person is not authorized, activating an alarm action of the security system.