Harbadus attacks Andvaria: cyber war game tests Nato defences against Russia

Power blackouts, public chaos and loss of communication with space were all thrown at troops in seven days

Russia and China were barely mentioned, but they were the threats in everyone's minds in Tallinn this week, where Nato hosted its largest ever cyber war game.

The goal of the war game, conducted 130 miles from the Russian border in Estonia, was to test the alliance's readiness for a rolling enemy assault on civilian and military digital infrastructure.