Several major firms say targets of international cyberattack

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A major cyberattack has unfolded, striking banks, corporations and infrastructure in Ukraine and Russia before spreading to western Europe and then the United States.

Experts say the virus is a modified version of the so-called Petya ransomware, which hit last year and demanded money from victims in exchange for their data.

Following is a list of companies and organisations which say they have been a victim of the latest attack:

  • Ukraine’s central bank, the National Bank of Ukraine

  • Ukrainian bank Oschadbank

  • Ukrainian delivery service company Nova Poshta

  • Russian state oil giant Rosneft

  • Kyivenergo, Kiev power company

  • Radiation monitoring system at Chernobyl

  • Website of Kiev’s Boryspil international airport

  • Danish sea transport company Maersk

  • British advertising giant WPP

  • French industrial group Saint-Gobain

  • US pharmaceutical giant Merck