A power outage in the Ukraine before Christmas was part of a widespread and coordinated series of cyber attacks, researchers revealed last week. Now experts say that the incident should act as a stark warning to countries around the world to protect their critical infrastructure.
The attack on the Pivnichna substation on the outskirts of the capital Kyiv happened just before midnight on Dec. 17 and lasted for just over an hour before power was restored. The attack happened almost exactly 12 months after a similar attack in Ukraine saw 225,000 people left without power for up to six hours.
