Another example of judicious use of VLANs takes place when we consider accommodating IoT devices. IoT devices are devices embedded with electronics that enable them to connect to the internet and exchange data. An IoT device could be a heart monitor, an automobile, or even something as simple as a thermometer. These provide seemingly endless opportunities to integrate real world devices with computer networks, but they also, unsurprisingly, raise numerous security issues. It is not without reason that the IoT has come to be referred to as, somewhat humorously, as the internet of insecure things.
It is beyond the scope of this chapter to cover all of the security issues raised by IoT devices (for example, data privacy, ...
