Detecting Privacy Leakage of Smart Home Devices through Traffic Analysis

Figure 1

The communication modes of the smart home system. The LAN is the main communication mode between smart home devices and the cloud, and the WAN is rarely used. Mobile App control devices have two paths: when the user is at home, control commands are uploaded to the cloud via the LAN; when the user is not at home, control commands are uploaded to the cloud over the WAN.