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Nucor: Breach History & DoxxScan™ Rating

Nucor has 1 publicly reported breach in our tracker. Here is the timeline, what was exposed, and its DoxxScan™ Rating.

Nucor appears in our tracker with one publicly reported breach, attributed to May 2025. The most serious is classified HIGH severity. Data described in the associated reports and leak-site claims as potentially involved includes Material cybersecurity incident (per SEC 8-K Item 1.05). The DoxxScan™ Rating below is an automated estimate of how exposed Nucor’s customers could be if the reported claims are accurate.

70/100

Moderate doxx risk

DoxxScan™ Rating — lower means a higher likelihood that personal data tied to this company is exposed and could be used to dox or target its customers.

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Data described in the claims

Across these incidents, the data described in the associated reports and threat-actor claims as potentially involved includes: Material cybersecurity incident (per SEC 8-K Item 1.05). These are the categories cited in the reporting/listings, not independently verified by Recent Breaches.

Steps tailored to the data types reported exposed in the incidents above.

• Remove your personal information from data-broker sites so the leaked data can’t be combined against you — GalaxyWarden files those removals for you.

This profile is assembled automatically from Nucor’s own tracked breach records — the incidents above, their classified severity, the data types reported exposed, and how recent each event is. The DoxxScan™ Rating estimates how exposed the company’s customers may be (a lower number means more exposure); the Safety Grade scores its publicly known record (higher = a cleaner known history). Neither is an audit of the company’s current security controls. See the full methodology →

The DoxxScan™ Rating is an automated, informational estimate of how exposed a company’s customers may be, derived solely from publicly reported breach history — the number of incidents, how recent and severe they were, and the sensitivity of the data involved. A lower rating indicates a higher likelihood that personal information tied to this company is circulating and could be used to dox or target individuals. It is not an audit, certification, or assessment of the company’s current security controls, and it does not represent present-day risk. It may rely on incomplete or unverified public reports and can change as new information emerges. Recent Breaches and GalaxyWarden are independent and are not affiliated with, and do not endorse, any company named here. Provided for general awareness only — not legal, financial, or security advice. How the rating is calculated →