A system can include at least one server in communication with a vehicle theft-prevention apparatus that comprises a plurality of sensors and at least one computing device. The at least one server can be configured to receive an authentication request from a particular application executed on a mobile device comprising user credentials. The at least one server can authenticate the authentication request as a particular user account, where the particular user account is associated with the vehicle theft-prevention apparatus. The at least one server can receive instructions from the particular application that the mobile device has moved outside of a geofence associated with the vehicle theft-prevention apparatus. The at least one server can send a command to the vehicle theft-prevention apparatus to enter an armed mode.