By Nerijus Adomaitis

ARENDAL, Norway (Reuters) -Russian hackers briefly took control of a dam in Norway earlier this year, the head of the Nordic country’s counter-intelligence agency said on Wednesday, the first time Oslo has officially attributed the cyberattack to its neighbour.

While in command of the dam in Bremanger, western Norway, on April 7, the hackers opened a flood gate and released 500 litres (132 gallons) of water per second for four hours before the attack was detected and stopped, authorities previously said.

No one was injured during the attack.

Norway produces most of its electricity via hydropower dams and intelligence authorities have previously warned of the risk of attacks on its energy infrastructure.

“Over the past year, we have seen a change in activity from p

See Full Page