A sign warning employees not to connect devices to the network in the wake of a cyber-attack is seen at the headquarters of aluminium producer Norsk Hydro in Oslo, Norway, March 19, 2019. REUTERS/Gwladys Fouche
OSLO (Reuters) – Norsk Hydro, one of the world’s largest aluminum producers, has made some progress in the recovery of the operations, but is not yet back to normal after a ransomware cyber attack, the company said in a statement on Wednesday.
After the attack began late on Monday, the company had to close several metal extrusion and hot-rolled products of plants, which transform aluminum ingots into components for the auto-makers, builders, and other industries, while the smelters in Norway were to a large extent, use of a guide base.
“Hydro still is not the full overview of the timeline in the direction of the normal activities, and it is still too early to estimate the exact operational and financial impact,” the company said.
But Hydro said its technical team, working with external support, has discovered that the cause of the problems and is currently working on the launch of the company’s IT systems.
The Norwegian National Security Authority (NNSA), the government agency in charge of cybersecurity, said that the attack of a virus known as LockerGoga, a relatively new strain of so-called ransomware that encrypts files and demands payment to unlock them.
Reporting by Terje Solsvik, editing, Gwladys Fouche and Elaine Hardcastle