This is the 10046th most frequent Russian word.
атакой
"Атакой" means "by attack" or "with an attack."
Here, 'атакой' refers to an offensive move in a sports context, serving as an instrumental case form of 'атака', meaning 'attack'.
Мы начали матч атакой на ворота соперника.
We started the match with an attack on the opponent's goal.
In this sentence, 'атакой' represents a figurative offensive against abstract concepts, again as an instrumental case form.
Эта стратегия является атакой на систему ценностей.
This strategy is an attack on the value system.
Here, 'атакой' signifies a counter-offensive action dealing with a confrontation or threat, still as an instrumental case form.