Kyiv's mayor is warning residents they must prepare for the worst this winter if Russian strikes continue.
Watch our correspondent Sasha Vakulina's report on the latest news.
Ukraine Blackouts Caused By Malware Attacks Warn Against Evolving Cybersecurity Threats To The Physical World
Eurasia Review
On a cold winter night in 2016, Ukrainians experienced the first-ever known blackout caused by malicious code (malware) designed to..