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. REUTERS/Valentyn Ogirenko
MOSCOW/KIEV/WASHINGTON: A major global cyberattack on June 27 disrupted computers at Russia's biggest oil company, Ukrainian banks and multinational firms with a virus similar to the ransomware that last month infected more than 300,000 computers.
The rapidly spreading cyber extortion campaign underscored growing concerns that businesses have failed to secure their networks from increasingly aggressive hackers, who have shown they are capable of shutting down critical infrastructure and crippling corporate and government networks.
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