 "Rosneft, cyber attack")
A ransomware attack hit computers across the world on Tuesday, taking out servers at Russia's biggest oil company, disrupting operations at Ukrainian banks, and shutting down computers at multinational shipping and advertising firms.
Cyber security experts said those behind the attack appeared to have exploited the same type of hacking tool used in the WannaCry ransomware attack that infected hundreds of thousands of computers in May before a British researcher created a kill-switch. "It's like WannaCry all over again," said Mikko Hypponen, chief research officer with Helsinki-based cyber security firm F-Secure. He said he expected the outbreak to spread in
