“What we have seen is a shift of Russian attention towards Norwegian energy planning and energy activities,” Benedicte Bjornland told the Aftenposten newspaper.
Russian intelligence constitutes the greatest damage threat for Norway, according to Bjornland.
Last year, the Norwegian energy sector established its own anti-espionage company, KraftCERT. The firm handles serious information and communications technology security incidents, maps possible threats and outlines Norwegian energy company vulnerabilities.
Norway is among the world's top oil exporters and shares a northern border with Russia.
In a major blow to the Norway fishing industry, Moscow responded with a one-year ban on certain food imports from the countries, including Norway, that introduced sanctions against it.