BBC: A cyber-attack on a Norwegian aluminium company has cost it at least 300 million Norwegian kroner (£25.6m). Hydro, which employs 35,000 people in 40 countries, was hit by malware last week. The company said it was slowly bringing affected systems back online but the "preliminary" cost of the incident had been about 300-350 million kroner. Most of those losses had been in its Extruded Solutions division, which makes aluminium facades, Hydro said...