A honeypot set up to observe the current security landscape in smart manufacturing systems observed numerous threats in just a few months. Researchers with Trend Micro simulated the fake smart factory system last year in what they called our most realistic honeypot to date The advent of the Internet of Things (IoT) has created manufacturing systems that have exposed devices and network ports to the internet. This also makes these systems vulnerable to more threats from bad actors which could have dire implications for manufacturing plants or critical infrastructure.
Source: https://threatpost.com/fake-smart-factory-honeypot-highlights-new-attack-threats/152170/