Russian scientists working at the highly restricted area of the Federal Nuclear Centre in Sarov have been arrested for attempting to use one of Russia's most powerful supercomputers to mine bitcoin. This attempt to mine bitcoin was 'unsanctioned' and being used for private purposes. The scientists connected the supercomputer to the internet, of which it was disconnected to prevent intrusion. This alerted Russian security who, in turn, arrested them and gave them to the FSB.

BBC: https://goo.gl/7pUZ8X
CNET: https://goo.gl/JgaMS4
UPI: https://goo.gl/SDFNY9

Wow, scientists can sure be scary...