This is reported by Deutsche Welle.

At the moment, Germany, the United Kingdom, the United States and Canada lead the international rapid response teams located in Estonia, Latvia, Lithuania and Poland.

!! We are ready to immediately respond to any aggression in conjunction with the armed forces, "the message says..

It should be noted that four battalions numbered only about 4,500 military. In addition, their deployment is a response to Russia's aggressive actions on the periphery of NATO territory.

Recall, as previously reported, "URA-Inform", the North Atlantic Alliance will help the Ukrainian country to strengthen cyber defense against the backdrop of a massive hacker attack on June 27, 2017.