Cybercriminals sneak malware onto systems under their control to mine for digital money. The most recent such event came over the weekend when a script mined for Monero distributed to at least 4,000 websites, most of them handled by the US and UK governments. Profit occurs when the costs for running the mining device are lower than the value of the coin. Some mineware, like Monero, can run on Android, which is used on devices ranging from smartphones and tablets, refrigerators, mini PCs, cameras, in-car navigation systems, and gaming consoles.”]
Source: https://www.bitdefender.com/blog/hotforsecurity/rising-hashes-iot-mining-botnets/