On May 10th Docker hud deleted a docker registry docker123321 which contains 17 malicious docker images. Attackers made a way to docker hub for mining cryptocurrencies such as Monero. The malicious images remain active between May 2017 and May 2018 and it was removed by docker team. hackers were able to mine 544.74 Monero, which is equal to $90000. Kromtech Security Center found 17 malicious Docker images stored on Docker Hub for a year.”]
Source: https://gbhackers.com/hackers-mined-malicious-docker-images/