A pair of Iranian hackers have been charged with breaking into a Missouri tech firm’s cloud-computing account and running up a $760,000 bill while mining cryptocurrency. Prosecutors say the two men, who live and operate in Iran, managed to access the company’s Microsoft Azure cloud-computing account and install several new servers and programs to mine a cryptocurrency called Monero — a process known as cryptojacking... ..The company was unaware of the intrusion until it received a bill from Microsoft for $760,00 for the use of the additional server capacity, prosecutors said....