HackingManufacturingManufacturingCustomer Data InvolvedData ExfiltratedPIIIdentity (basic)Medium

NUCOR CORPORATION

bd_6a06b9eb150003e9 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 3, 2023

Filed

Jul 3, 2023

To disclose

4 weeks

Affected · nationwide

8,8242 in this filing

Linked

7 filings

Confidence

65%

Full breach record for NUCOR CORPORATION →4 incidents on file

Nucor Corporation, a steel manufacturer, experienced an external system breach between May 26, 2023, and June 1, 2023. The incident was discovered on June 3, 2023, affecting 8,824 individuals. The company notified the affected individuals in writing on June 30, 2023, and offered 24 months of credit monitoring services through Equifax.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 3, 2023 → Filed with AG Jul 3, 202330d ✓ ME AG ≤30d4 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 8 days

discovery → filing · 4 weeks / 30 days

May 26, 2023

Begins

Jun 3, 2023

Discovered

Jul 3, 2023

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

New Hampshire State AGbd_b6fb6e4436443cf82023-07-03Verified
South Carolina State AGbd_e41f2b66830eb9a22023-07-03Verified
Massachusetts State AGbd_3aca0330760bae952023-06-30 · +3dVerified
Indiana State AGbd_9aeca2689eec0ada2023-06-30 · +3dVerified

Show 2 more filings ↓up to 183d gap

Vermont State AGbd_f92fdb8fcfe3ebf12023-06-30 · +3dVerified
Illinois State AGbd_424a1f9fd75075542023-01-01 · +183dCandidate

Name: NUCOR CORPORATION
norm: nucor
Domain: nucor.com

Name: NUCOR CORPORATION
norm: nucor
Domain: nucor.com
Industry: Manufacturingllm

Discovered: Jun 3, 2023
Breach occurred: May 26, 2023 – Jun 1, 2023
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 30, 2023
Affected individuals: 8,824state + nationwide
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
Threat actor: External

During the incident: Sent written notification to affected consumers
Offered 24 months of Equifax's Complete Premier services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: ME AG ≤30d · 30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Jun 3, 2023
→ Filed with AG: Jul 3, 2023
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 3, 2023 → Filed with AG: Jul 3, 2023	30d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGJan 1 · first

Massachusetts State AG+180d

Indiana State AG+180d

Vermont State AG+180d

New Hampshire State AG+183d

South Carolina State AG+183d

Maine State AG+183d · this page

Pattern: first filing Jan 1 (IL), last Jul 3 (ME) — a 183-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.

Source URL: https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/d151eaf7-e748-4e92-b693-b97c3441c4c4.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 3, 2023
Raw hash: d6a9a331f2625ffc7e6299856791f054ba8afc79f98d8e3431f80fdcf1875af1

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityNUCOR CORPORATION

Victim entityNUCOR CORPORATION

Incidentdiscovered Jun 3, 2023

Stated responseSent written notification to affected consumers

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov