Mediterranean Shipping Co., the world’s second largest container line, said Friday it has been hit by a network outage. The company said it hasn’t ruled out the possibility of a cyberattack.

“We confirm that MSC is currently experiencing a network outage on one of the data centers in Geneva which affects the availability of some of our digital tools,” the Switzerland-based company said in a statement.

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“We do not rule out the possibility of a malware,” the company added, saying it is evaluating the situation and has down the servers at its headquarters as a safety measure. The company’s website had been dark for over 12 hours before the statement. A shipping broker in Singapore said it isn’t currently possible to use MSC’s online platforms to make cargo bookings. “We confirm our agencies world-wide network is working. Our local agents support customers for all services as usual,” MSC said in the statement. Cyberattacks have the potential to cripple the operations of shipping and logistics companies for weeks, leaving loaded ships stranded at sea and terminal operations suspended. In 2017, market leader A.P. Moller-Maersk A/S suffered a $300 million loss after its operations across the world were hit by the Petya malware. MSC moves around 16% of all containers on a fleet of about 570 vessels. Write to Costas Paris at costas.paris@wsj.com

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