In the IoT era, both competing systems and services are streamlined in various areas of the world, and new businesses are emerging from the ground up. The fact that we attached Internet-dependent sensors to things we interact with means that our personal information is more likely to be collected, both by either the vendor/service provider or some other 3rd party. There are devices that are likely to cause serious problems if operated by an authorized user, such as IP cameras that are left running 24/7 and have an Internet connection.”]
Source: https://hackercombat.com/security-privacy-concerns-in-iot-devices/