Bloomberg | Ransomware virus hits computer servers across the globe Reuters Other companies that said they had been hit by a cyber attack included Russian oil producer Rosneft, French construction materials firm Saint Gobain and the world's biggest advertising agency, WPP - though it was not clear if their problems were caused ... Rosneft Keeps Oil Flowing as Hackers Target Russia, Ukraine A new ransomware attack is infecting the computers of major shipping and oil companies worldwide |