Hackers tripled the number of attacks against Internet of Things devices in 2018 to 32.7 million. Between 2017 and 2018, number of IoT devices grew by about 3 billion, so the attack pool became larger. 47% of the worlds botnets are hosted in the United States, trailed by China, and Russia, with just 7%. In many cases, there are no clear signs that your smart gadget is infected and has a second master. Abnormal activity is typically pegged to technical faults that can be corrected with a restart. This is also a good way to get rid of most malware on IoT systems.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/internet-things-gets-attractive-grows/