America’s largest fuel pipeline has been shut since Friday after a ransomware attack. What’s going on?

The 5,500-mile long “Colonial Pipeline” America’s longest fuel pipeline, has been shut since the weekend after it was targeted by a group of "ransomware" hackers. Saloni Sardana explains what's going on.

Colonial pipeline fuel tanks
The 5,500 mile-long pipeline carries almost half of the fuel used on America's east coast.
(Image credit: © JIM WATSON/AFP via Getty Images)

America’s largest fuel pipeline – the “Colonial Pipeline” – has been shut since the weekend after it emerged that it suffered a ransomware attack by hackers.

So what happened, and why does it matter?

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Saloni Sardana

Saloni is a web writer for MoneyWeek focusing on personal finance and global financial markets. Her work has appeared in FTAdviser (part of the Financial Times),  Business Insider and City A.M, among other publications. She holds a masters in international journalism from City, University of London.

Follow her on Twitter at @sardana_saloni