The internet of Things$($IOT$)$ is a network of physical devices and other items embedded with electronics and software connected together to be able to exchange data, interoperating with the existing internet. The devices are typically small using low powered CPUs to allow sensors and actuators to notify or respond to change in the devices environment $.$

A school has approached you as a security consultant. They have installed a device that makes a HTTP request whenever its camera detects a person leaving the school before the end of the school day. Whenever the HTTP request is made, the system automatically sends an SMS to the administrator staff to get them to go and check that is not a student trying to sneak out early.

describe the potential security issues with a such a system and recommendations on how to avoid or minimise these problems.