Steelmaker Nucor experiences cybersecurity incident, shuts down some production

Core Viewpoint - Nucor experienced a cybersecurity incident that led to the temporary shutdown of some production operations as a precautionary measure [1][3]. Group 1: Incident Details - The company discovered unauthorized third-party access to certain information technology systems [1]. - Nucor is actively investigating the incident with the help of external cybersecurity experts and has notified federal law enforcement [5]. - The specific production operations that were shut down have not been disclosed, but the company is working to restore them [1][3]. Group 2: Company Profile - Nucor is considered the largest and most diversified steel and steel products producer in North America, manufacturing products such as bars, beams, electrical conduit, girders, and fasteners [5]. - The company's facilities are primarily located across North America [3].