DisclosureLens
HackingManufacturingManufacturingStolen CredentialsCustomer Data InvolvedData ExfiltratedGovernment IDFinancial accountIdentity (basic)MediumContained

NUCOR CORPORATION

bd_9461555a0a074d8a · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 13, 2025

Filed

Jun 27, 2025

To disclose

6 weeks

Affected

1state residents only

Linked

6 filings

Confidence

65%
Full breach record for NUCOR CORPORATION →4 incidents on file

Nucor Corporation reported unauthorized access to IT systems affecting one New Hampshire resident. The incident occurred between May 3 and May 13, 2025, and was detected on May 13, 2025. Compromised data included SSN, corporate credit card number, and DOB. Nucor engaged third-party specialists, notified law enforcement, and provided 24 months of credit monitoring.

Incident timeline

undetected · 10 days
discovery → filing · 6 weeks / 45 days

May 3, 2025

Begins

May 13, 2025

Discovered

Jun 16, 2025

Scope determined

Jun 27, 2025

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 7d gap

Filing propagation · 6 filings · 4 states

View merged incident ↗
SEC 8-KJun 20 · first
Indiana State AG+4d
Vermont State AG+4d
Massachusetts State AG+7d
New Hampshire State AG+7d · this page
New Hampshire State AG+10d

Pattern: first filing Jun 20, last Jun 30 (NH) — a 10-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.