“From smartphones to connected printers and even coffee makers, most of these IoT devices have good intentions and can connect to your company’s network without a problem.
However, as the Internet of Things (IoT) devices are growing at a great pace, they continue to widen the attack surface at the same time, giving attackers a large number of entry points to affect you some or the other way.
The attackers can use your smart devices to gain backdoor entry to your network, giving them the capability to steal sensitive data, such as your personal information, along with a multitude of other malicious acts.”
Source: Hacker Shows How Easy It Is To Hack People While Walking Around in Public