Nucor
2 breaches11K affected in allManufacturingnucor.com
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Cyberattack forces steelmaker Nucor to halt some productionMay 14, 20251 year agoHacking | May 14, 20251 year ago | Hacking | Manufacturing | Confirmed | 2,461 |
| Disclosed Jun 30, 2023Jun 30, 20233 years ago | Jun 30, 20233 years ago | Not stated | Manufacturing | Confirmed | 8,824 |
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Every breach here links to its sources and official notices. Across fru.dev: lawsuits, incidents and outages.
- 2026-09-25 · Nucor, 2023-06-30 · records_basis: organization
- 2026-09-25 · Nucor, 2023-06-30 · records: 8824
- 2026-09-25 · Nucor, 2023-06-30 · occurred: 2023-05-26
- 2026-09-25 · Nucor, 2025-05-14 · records_basis: organization
- 2026-09-25 · Nucor, 2025-05-14 · records: 2461
- 2026-09-25 · Nucor, 2025-05-14 · occurred: 2025-05-03
- 2026-09-25 · Nucor, 2023-06-30 · added
- 2026-09-25 · Nucor, 2025-05-14 · source: https://ago.vermont.gov/document/2025-06-24-nucor-corporation-data-breach-notice-consumers
- 2026-09-25 · Nucor, 2025-05-14 · sector: manufacturing
- 2026-09-25 · Nucor, 2025-05-14 · attack: hacking
- 2026-09-25 · Nucor, 2025-05-14 · summary: Nucor told the SEC it identified unauthorized third-party access to some IT systems and temporarily halted production at various locations as a precaution.
- 2026-09-25 · Nucor, 2025-05-14 · title: Cyberattack forces steelmaker Nucor to halt some production
- 2026-09-25 · Nucor · domain: nucor.com
- 2026-09-25 · Nucor, 2025-05-14 · disclosed: 2025-05-14
- 2026-09-25 · Nucor, 2025-05-14 · added
- 2026-09-25 · Nucor · added