Hackers have compromised multiple supercomputers in the U.K., Germany, Switzerland, and possibly Spain with cryptocurrency-mining malware.
Last Monday, the U.K.'s University of Edinburgh disclosed an apparent security exploitation on the ARCHER supercomputer login nodes, prompting the system's shutdown and resetting of Secure Shell (SSH) passwords to prevent further intrusions.
The German state of Baden-Wurttemberg's bwHPC organization also said that five of its high-performance computing clusters had been shut down due to similar security incidents.
Last Wednesday, security researcher Felix von Leitner posted in a blog that a supercomputer in Barcelona, Spain, had been infiltrated.
While these incidents weren't the first time crypto-mining malware has been installed on a supercomputer, these are the first attributed to hackers, rather than malicious employees.
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