Europe and U.S. computers continued to cause problems for the world’s largest shipping firm A.P.Moller-Maersk 

Europe and the U.S. computers continued to cause problems for the world’s largest shipping firm A.P.Moller-Maersk 

NewYork,June28:The fallout from cyberattacks that disrupted computers across Europe and the U.S. continued to cause problems for the world’s largest shipping firm Wednesday as A.P. Moller-Maersk AMKBY 0.41% reported that a number of its port operations remain affected.

The attack, which security experts dubbed Petya and appeared to stem in part from an obscure Ukrainian tax software product, exposed fresh weakness in the computer systems that run modern-day societies as the virus rapidly spread unimpeded across Ukraine, Russia, Europe and the U.S.

“We can confirm that Maersk has been hit as part of a global cyberattack named Petya on the 27 June 2017. IT systems are down across multiple sites and select business units,” the company said Wednesday.

Maersk said it has contained the issue and is working on a technical recovery plan with its IT-partners and global cybersecurity agencies.

“We have shut down a number of systems to help contain the issue. At this point our entities Maersk Oil, Maersk Drilling, Maersk Supply Services, Maersk Tankers, Maersk Training, Svitzer and MCI are not operationally affected. Precautionary measures have been taken to ensure continued operations.”

The conglomerate is implementing business continuity plans and assessing the aggregate impact on its business, it added.

The virus, whose victims included major global companies from Merck MRK & Co. to PAO Rosneft, bore similarities to last month’s global ransomware attack but was in some ways more insidious, security experts said.

By midday on Tuesday, the attack had infected more than 100 institutions in Ukraine, Russia and other former Soviet republics, security experts said.

The ransomware was designed to spread within corporate networks running Microsoft Corp.’s Windows operating system, but didn’t appear to be harming consumers, security experts said. A Microsoft spokeswoman on Tuesday said that the company was investigating the outbreak.

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