O’Brien Steel Data Breach Investigation

Turke & Strauss LLP, a leading data breach law firm, is investigating O’Brien Steel Service Co. regarding its recent data breach. The O’Brien Steel data breach involved sensitive personal identifiable information belonging to over 2,500 individuals.


O’Brien Steel is a metal fabrication company specializing in steel processing and distribution. As a steel service center, O’Brien Steel’s processing capabilities include heavy machining, welding, fabrication, painting, and commercial thermal processing. Founded in 1975, O’Brien Steel serves a range of industries including construction, agriculture, transportation, and manufacturing. Today, O’Brien Steel operates three service centers and four steel processing locations across Wisconsin and Illinois. Headquartered in Peoria, Illinois, O’Brien Steel employs approximately 400 individuals.


On June 1, 2023, O’Brien Steel discovered that it had experienced a data breach in which the sensitive personal identifiable information in its systems may have been accessed and acquired. Through its investigation, O’Brien Steel determined that an unauthorized actor may have accessed and acquired this sensitive information between May 18, 2023, and June 1, 2023. On September 21, 2023, O’Brien Steel began contacting individuals whose information may have been impacted. The type of information exposed includes:

  • Name
  • Social Security number
  • Driver’s license number
  • Date of birth

If you received a breach notification letter from O'Brien Steel:

We would like to speak with you about your rights and potential legal remedies in response to this data breach. Please fill out the form, below, or contact us at (608) 237-1775 or sam@turkestrauss.com.

If you were impacted by the O’Brien Steel data breach, you may consider taking the following steps to protect your personal information.

  1. Carefully review the breach notice and retain a copy;
  2. Enroll in free credit monitoring service provided by O’Brien Steel Service Co.;
  3. Change passwords and security questions for online accounts;
  4. Regularly review account statements for signs of fraud or unauthorized activity;
  5. Monitor credit reports for signs of identity theft; and
  6. Contact a credit bureau(s) to request a temporary fraud alert.

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