Zscaler released a study examining the state of IoT devices left on corporate networks during a time when businesses were forced to move to a remote working environment. The report analyzed over 575 million device transactions and 300,000 IoT-specific malware attacks blocked over the course of two weeks in December 2020 ‘ a 700% increase when compared to pre-pandemic findings. The research team identified the most vulnerable IoT devices, most common attack origins and destinations, and the malware families responsible for the majority of malicious traffic.
Source: https://www.helpnetsecurity.com/2021/07/20/iot-malware-attacks-rose/