An employee of Global Cyber Security Company Group-IB develops a computer code in an office in Moscow, Russia, Wednesday, Oct. 25, 2017. A new strain of malicious software has paralyzed computers at a Ukrainian airport, the Ukrainian capital's subway and at some independent Russian media. Moscow-based Global Cyber Security Company Group-IB said in a statement Wednesday the ransomware called BadRabbit also tried to penetrate the computers of major Russian banks but failed. None of the banks has reported any attacks. (AP Photo/Pavel Golovkin)