Poland raises cyberattack threat level after Ukraine incident

Poland raised its cybersecurity terror threat level - in what it calls a preventative measure - following the cyberattacks on Ukraine last week. — REUTERS/File Photo

Poland on Tuesday raised its nationwide cybersecurity terror threat level in the wake of a cyberattack on Ukraine last week, saying the move was preventative.

Ukraine has said it has evidence that Russia was behind a massive cyberattack that knocked out key government websites.