After becoming a victim of a days-long ransomware attack last week, Colonial Pipeline confirmed to news outlets Tuesday that its shipping communications system is down. The firm operating the pipeline said the issue was not caused by the ransomware attack. “Our internal server that runs our nomination system experienced intermittent disruptions this morning due to some of the hardening efforts that are ongoing and part of our restoration process. These issues were not related to the ransomware or any type of reinfection,” the firm said in a statement. The company continued to say that it is “working diligently to bring our nomination system back online and will continue to keep our shippers updated,” adding that the 5,500-mile-long pipeline system is still “deliver[ing] refined products as nominated by our shippers.” The ransomware attackers—later identified by the FBI and White House officials as a cybercriminal group called Darkside said to be operating …