Many Cryptocurrency miners tools and software need the internet connection to send/receive data. So that, they have some vulnerability for attackers.
source https://www.google.com/url?rct=j&sa=t&url=https://hakin9.org/hacking-cryptocurrency-miners-with-osint-techniques/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNECtkXVRbQaCccCIM8vsiR30b_3wA
