A third U.S. pipeline company reported its electronic system for communicating with customers has stopped working, a day after a cyberattack resulted in a similar shutdown. The Department of Homeland Security, which said Monday it’s gathering information about the potential intrusion, had no immediate comment on the latest shutdown. Tuesday’s closure affected Oneok Inc., which operates natural gas pipelines in the Permian Basin in Texas and the Rocky Mountain region. The cyberattack Monday didn’t affect flows on the pipeline. The shutdowns come after U.S. officials warned in March that Russian hackers are conducting a broad assault on the nation’s electric grid and other targets. Last month, Atlanta’s municipal government was hobbled for several days by a ransomware attack. The systems hit in the last two days help pipeline customers communicate their […]