FEDERALSEC 8-KFirst filing
Filed May 14, 2025bd_e268d2c41e8bb27d
Nucor Corporation, a Delaware-incorporated steel manufacturer, disclosed under SEC Item 1.05 a cybersecurity incident involving unauthorized third-party access to certain IT systems. Upon detection, Nucor activated its incident response plan, took potentially affected systems offline, halted certain production operations at various locations, engaged external cybersecurity experts, and notified federal law enforcement. The investigation is ongoing; operations are being restarted. Scope, threat actor, data impact, and individuals affected were not disclosed.
SEC 4-day OK · 1d