Norsk Hydro, one of the world’s biggest aluminum producers, suffered a cyber-attack in which hackers blocked its systems with ransomware. This caused Hydro to switch some of its production units to manual operation. The Norwegian National Security Authority (NNSA, the state agency in charge of cybersecurity) said the hackers used LockerGoga ransomware in the attack, which originated from the USA. The attack may have cost the company more than $40 million in the week it occurred.
Cybercrime is crime committed via the Internet and computer systems. One category of cybercrimes are those affecting the confidentiality, integrity and availability of data and computer systems; they include: unauthorised access to computer systems, illegal interception of data transmissions, data interference (damaging, deletion, deterioration, alteration of suppression of data), system interf