Major US pipeline shut by ransomware attack Toggle share menu Advertisement Major US pipeline shut by ransomware attack The Colonial Pipeline serves millions of customers on the East Coast, including Washington Dulles International Airport AFP/KAREN BLEIER 09 May 2021 07:16AM (Updated: 09 May 2021 07:16AM) Share this content Bookmark WASHINGTON: The largest fuel pipeline system in the United States was forced to shut down its entire network after a ransomware attack, the operating company said in a statement on Saturday (May 8). The Colonial Pipeline Company ships gasoline and jet fuel from the Gulf Coast of Texas to the populous East Coast through 8,850km of pipeline, serving 50 million consumers.