secwatch.observer — SEC 8-K summary
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Issuer:     NUCOR CORP (NUE)
CIK:        0000073309
Form:       8-K
Filed at:   2025-05-14T23:59:59+00:00
Accession:  0001193125-25-119311
Event type: cyber
Sentiment:  negative
Materiality: 0.60
Item codes: 1.05
LLM model:  deepseek-v4-flash:cloud@v2

Nucor reports cybersecurity incident; halts some production, now restarting
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- Unauthorized third-party access to IT systems detected; incident response plan activated.
- Potentially affected systems taken offline; certain production operations temporarily halted.
- Restarting affected operations; investigation ongoing with external experts and federal law enforcement.
- No specifics on data compromise, customer impact, or financial exposure yet; company monitoring materiality.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/73309/000119312525119311/0001193125-25-119311-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/73309/000119312525119311/d795264d8k.htm
  HTML page:      https://secwatch.observer/filing/0001193125-25-119311

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