Answer: Security (updating of software and hardware)
Step-by-step explanation:
Internet of Things is one of the latest inventions in technology wherein smart objects and devices can connect to the internet and also share information within that space.
One of the several challenges of the Internet of Things is Security. Because of the introduction of the Internet, there is a vulnerability to hacking. Upgrades, therefore ought to be regularly provided so as to prevent hackers from recognizing patterns and hacking into them. So when the device outlives the manufacturer, there would be no one to provide regular updates thus making the device vulnerable.