The video below shows how alarms from Viper/Clifford and Pandora have a simple way to hijack the application. Once they have access, they can find the car in real time, control the door locks ...

Viper's SmartStart 3.0 gives any smartphone the ability to perform many remote functions on a car by using the alarm system's app, but only iPhone 4S and 5 users can get their car running simply ...