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Steelmaker Nucor Says Hackers Stole Data in Recent Attack

Posted on June 23, 2025June 23, 2025 By CWS

American metal large Nucor Company (NYSE: NUE) has shared an replace on the current cyberattack, confirming that hackers have taken some knowledge from its programs.

Nucor, which claims to be the biggest metal producer and recycler in North America, disclosed the cybersecurity incident in mid-Could. 

The assault concerned unauthorized entry to IT programs and resulted in some programs being taken offline and the non permanent halting of sure manufacturing operations. 

Nucor on Friday shared an replace on the incident in a submitting with the Securities and Trade Fee (SEC). The corporate’s investigation confirmed that the risk actor managed to exfiltrate “restricted knowledge” from the compromised IT programs.

“The Firm is reviewing and evaluating the impacted knowledge and can perform any acceptable notifications to doubtlessly affected events and to regulatory companies as required by relevant regulation,” Nucor mentioned.

Methods taken offline in response to the cyberattack have been restored and the corporate instructed the SEC that the incident is unlikely to have a cloth influence on its monetary situation or outcomes of operations. 

Nucor believes the risk actor has been locked out of its programs and it has taken steps to stop future breaches.

Whereas its response to the incident means that the steelmaker might have been focused in a ransomware assault, no identified group seems to have taken credit score for the Nucor hack. Commercial. Scroll to proceed studying.

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Security Week News Tags:Attack, Data, Hackers, Nucor, Steelmaker, Stole

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