Malware similar to that which attacked three Ukrainian power firms in late December was detected last week in a computer in the IT network of Kyiv's main airport, Boryspil. The network includes the airport's air traffic control. "In connection with the case in Boryspil, the ministry intends to initiate a review of anti-virus databases in the companies which are under the responsibility of the ministry," said Iryna Kustovska, spokeswoman for Ukraine's infrastructure ministry, which oversees airports, railways and ports. Ukraine's state-run Computer Emergency Response Team (CERT-UA) issued a warning on Monday of the threat of more attacks. "The control centre of the server, where the attacks originate, is in Russia," military spokesman Andriy Lysenko said, adding that the malware had been detected early in the airport's system and no damage had been done. A spokeswoman for the airport said Ukrainian authorities were investigating whether the malware was connected to a malicious software platform known as "BlackEnergy", which has been linked to other recent cyber attacks on Ukraine. There are some signs that the attacks are linked, she said.