Pemex Faces Payment Problems After Cyber Attack

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A ransomware attack that hit Mexicos Petroleos Mexicanos is disrupting the companys billing systems, according to people familiar with the situation.

Pemex is relying on manual billing that could affect payment of personnel and suppliers and hinder supply chain operations, the people said, asking not to be identified because they arent authorized to speak to the press.

Invoices for fuel to be delivered from Pemexs storage terminals to gasoline stations were being done manually Nov. 12. At the companys refining arm, some employees couldnt access emails or the internet, and computers were operating more slowly. If the situation isnt resolved by Nov. 13, it could affect Pemexs ability to pay personnel and some suppliers, one of the people said.

Pemexs ransomware attack in which systems are frozen by hackers until a ransom is paid is the latest cyber incursion to hit the commodities industry. Payment problems could disrupt a supply chain that stretches across fuel retailers, global trading companies, oil industry servicers and trucking firms.

Earlier this year, Norsk Hydro ASA was hit, following previous attacks on companies from zinc smelter Nyrstar NV to oil giants Saudi Aramco and Rosneft PJSC, shipping company AP Moller-Maersk A/S and agriculture trader Archer-Daniels-Midland Co.

Staff payments may have to be done by telephone, said another person. In Pemexs finance department, external emails werent coming through, ....

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