Steelmaker Nucor experiences cybersecurity incident, shuts down some production
1. Nucor experienced a cybersecurity incident, shutting down some production operations. 2. Unauthorized access to IT systems was discovered, prompting precautionary measures. 3. The company is investigating the incident with external cybersecurity experts. 4. No specific production sites affected were disclosed in the regulatory filing. 5. Nucor aims to restore operations while monitoring incident materiality.