Reuters | Cyber attack hits oil giant and banks in Russia and Ukraine Reuters A message demanding money is seen on a monitor of a payment terminal at a branch of Ukraine's state-owned bank Oschadbank after Ukrainian institutions were hit by a wave of cyber attacks earlier in the day, in Kiev, Ukraine, June 27, 2017. Russian oil company Rosneft hit by cyber attack Russian oil giant Rosneft hit by 'powerful' cyber attack Rosneft suffers powerful cyber attack; oil production unaffected |