The Aim of cryptojacking is to use victims’ machines to mine crypto on behalf of the hacker. There are two main ways to do this, 1) infecting a computer with the malware in the traditional way and keeping a persistent bit of software on the machine or 2) the ‘drive by’ approach of embedding javascript in a web page that uses the visitors computing power while they are on the page. A large EU water utility system was discovered to be compromised whereby someone had been mining