Crime follows the money, as the saying goes, and once again, cybercriminals have acted accordingly. The underground is flooded with so many offerings of cryptocurrency malware that it must be hard for the criminals themselves to determine which is best. This kind of malware, also known as cryptomalware, has a clear goal, which is to make money out of cryptocurrency transactions. This can be achieved through two different methods: stealing cryptocurrency and mining cryptocurrency on victims’ devices surreptitiously (without the victims noticing), a process also known as cryptojacking. In this post, we discuss how these two methods work, and see whether devices connected to the internet of things (IoT), which are relatively underpowered, are being targeted.