Investigation Open·Data Breach

Nucor Corporation Data Breach Case

State
NH
Filed
Jun 27, 2025
Data Types
8 types
Records
Not disclosed

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Quick Facts

State Filed
NH
Date Reported to AG
Jun 27, 2025
Date of Breach
Not disclosed
Records Affected
Not disclosed
Status
Investigation Open
Last Updated
Oct 5, 2026
Data Types Exposed
Full NameSocial Security NumberDate of BirthWage and Compensation InformationTax Return InformationDirect Deposit Account DetailsMailing AddressPhone Number

The Breach — What We Know

Nucor Corporation was the subject of a data breach notification filed with the NH Attorney General. The AG filing was recorded on June 27, 2025.

From the AG filing description

Nucor Corporation stands as one of the largest and most prominent steel producers and metal products companies in North America, operating an extensive network of manufacturing facilities, steel mills, and scrap recycling operations. As a major industrial manufacturer with a massive workforce, Nucor routinely collects, processes, and stores vast quantities of sensitive personal identifying information. This data repository includes extensive human resources and payroll records for thousands of current and former employees, as well as confidential commercial information, vendor agreements, and proprietary operational data essential to maintaining large-scale industrial supply chains. In 2025, Nucor Corporation formally reported a significant data security incident to the New Hampshire Attorney General's office, alerting authorities and affected individuals that unauthorized actors had gained access to their corporate network environment. Incidents of this nature typically involve sophisticated cyberattacks, such as ransomware deployment, credential harvesting, or unauthorized third-party vendor compromises that bypass perimeter security controls. When malicious actors infiltrate industrial manufacturing networks, they often exploit vulnerabilities in legacy IT systems or corporate databases to exfiltrate large volumes of confidential files before deploying encryption software or demanding extortion. The resulting data exposure in industrial and manufacturing breaches frequently encompasses highly sensitive personal identifiers, including Full Names, Social Security Numbers, Dates of Birth, direct deposit account details, wage and compensation records, and tax documentation. The compromise of this specific combination of financial and identifying information creates severe, long-term risks for affected individuals, exposing them to immediate threats of identity theft, synthetic fraud, and unauthorized tax return filings. Because Social Security Numbers and banking details cannot be easily changed, victims face a prolonged vulnerability to financial account takeover and fraudulent credit applications orchestrated by bad actors who trade or exploit these dossiers on the dark web. Under applicable state data protection statutes, as well as general common law negligence principles, Nucor Corporation maintained a strict legal duty to implement and maintain reasonable cybersecurity safeguards commensurate with the sensitivity of the data it collected and stored. This duty requires utilizing modern encryption standards, robust network monitoring, multi-factor authentication, and rigorous vendor risk management to prevent unauthorized intrusions. The occurrence of a successful breach capable of siphoning confidential employee and corporate files strongly suggests that these mandated security measures may have been deficient, delayed, or improperly maintained, constituting a potential failure of the company's legal obligations to protect private information. Receiving a data breach notification letter from Nucor Corporation serves as formal legal acknowledgement that your personal information was compromised due to corporate security failures, establishing immediate legal standing to participate in a class action lawsuit. Affected individuals do not need to demonstrate actual financial loss or out-of-pocket theft to seek legal recourse and compensation for the increased risk of identity fraud and the time spent monitoring credit. Our firm evaluates these data breach cases on a contingency fee basis, meaning you pay absolutely nothing out of pocket and owe no fees unless we successfully recover compensation on your behalf.

Do You Qualify for Compensation?

Under the New Hampshire data breach notification law, you may have a legal claim against Nucor Corporation if any of the following apply:

  • You received a written data breach notification letter from Nucor Corporation
  • You are or were a customer, patient, or employee of Nucor Corporation
  • Your information was held by Nucor Corporation in NH
  • Your bank or payment card data was potentially exposed

Exposed Data — What's at Risk

Based on the data types reported in this filing:

Identity Theftcritical risk

Your SSN is the master key to your identity. Once exposed, criminals can open new lines of credit, take out loans, or file taxes in your name.

Identity Verification Bypassmedium risk

Combined with a name and other leaked data, date of birth helps criminals pass identity verification questions at banks and government agencies.

SIM Swap & Vishingmedium risk

Phone numbers exposed in breaches are used for SIM swapping attacks — hijacking your number to bypass two-factor authentication on financial accounts.

Federal & State Protections

Common categories of compensation in data breach class actions

Time & Inconvenience

Courts recognize that the time spent monitoring accounts, placing credit freezes, and dealing with the aftermath of a breach has real economic value. This category of damages is recoverable even without direct financial loss.

Credit Monitoring & Identity Restoration

Professional credit monitoring services cost $10–$40 per month. Identity theft restoration services, if needed, can cost hundreds of hours and thousands of dollars. Courts have awarded these costs as direct damages in SSN breach cases.

Financial Losses & Fraudulent Charges

Direct financial losses resulting from the breach — unauthorized charges, fraudulent transfers, or fees incurred through fraud — are recoverable as compensatory damages. Banks may reverse some charges; a class action recovers the remainder and associated costs.

Emotional Distress

Data breach victims regularly report anxiety, loss of sleep, and ongoing fear of identity theft. These non-economic harms are cognizable injuries in data breach litigation, particularly in cases involving SSN or medical record exposure.

Note: an attorney general breach filing does not by itself establish a settlement fund, a payment amount, or a claim deadline. If an official settlement notice is later issued, rely on that notice for payment details and deadlines.

Frequently Asked Questions

Do I need proof that my data was misused to file a claim against Nucor Corporation?

No. Under New Hampshire data breach notification law and federal law, the unauthorized exposure of your personal data — regardless of whether it has been actively misused — can be sufficient grounds for a claim. The breach itself is the injury.

How much does filing a claim cost?

Nothing. The Law Office of David S. Harris handles data breach cases on contingency — you pay zero upfront and owe nothing unless compensation is recovered.

My Social Security Number was exposed. What should I do right now?

Immediately place a free credit freeze at all three bureaus (Equifax, Experian, TransUnion). A freeze blocks new accounts from being opened in your name. Then file a complaint with the FTC at IdentityTheft.gov and contact our office — SSN exposure is one of the most serious breach types.

My financial account data was exposed. Can the bank recover my losses?

Banks may reverse fraudulent charges, but they are not obligated to compensate you for time lost, stress, or indirect damages. A class action claim against the breached company can recover those additional categories of harm.

Is it too late to file a claim?

Statutes of limitations for data breach claims vary by state but typically run 2–4 years. Depending on when you learned of the breach, you may still have time. Contact our office for a free eligibility review — there is no cost to find out.

What if Nucor Corporation offered me free credit monitoring after the breach?

Accepting free credit monitoring from Nucor Corporation does not waive your right to pursue legal action unless you signed a specific release waiving claims. In most cases, victims who accepted monitoring can still file.

Do I need to have received a notice letter to be eligible?

Not necessarily. Many data breach victims are never notified directly. If your personal information was held by Nucor Corporation during the relevant period, you may still qualify even without receiving a letter. A free eligibility review can confirm your status.

Applicable State Law

This breach was reported under the New Hampshire data breach notification law, which mandates notification and establishes your right to seek damages.

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