By Burc Eruygur ISTANBUL (AA) - Ukraine’s national railway company Ukrzaliznytsia on Monday said that its online services were subject to a “large-scale” cyberattack. A statement by the state-owned company said on Telegram that efforts to restore all systems have been continuing since Sunday. Indicating that company specialists are closely cooperating with the Ukrainian security service’s cyber department, the statement said the attack failed in its aim to hinder train traffic. Since