Well there were two incidents (https://csirt.egi.eu/academic-data-centers-abused-for-crypto-currency-mining/ https://csirt.egi.eu/academic-data-centers-abused-f

Well there were two incidents (https://csirt.egi.eu/academic-data-centers-abused-for-crypto-currency-mining/ https://csirt.egi.eu/academic-data-centers-abused-for-crypto...) one of which had "unknown purpose". It had the real effect of disrupting the majority of the super computing infrastructure in Switzerland and Germany for almost two weeks now. The attacks originated from China (Shanghai Jiao Tong University and CSTNET).