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Investigation OpenIN AG filing · March 13, 2026

Waukegan Steel LLC Discloses October 2025 Data Incident in Indiana Filing

Waukegan Steel LLC recently reported a data breach affecting personal information, with the incident occurring on October 21, 2025. This disclosure comes from public filings made on March 13, 2026, indicating an ongoing investigation into the security event.

State
IN
Breach date
October 21, 2025
Reported
March 13, 2026

Waukegan Steel LLC has officially reported a data breach to regulatory bodies, impacting individuals whose personal information the company manages. The incident, which exposed certain data, took place on October 21, 2025. This notification was made public through official filings on March 13, 2026, originating from operations in Indiana.

The specific categories of personal information involved in this breach were not detailed in the publicly available records. Similarly, the exact nature of the security incident itself, such as the method of compromise, remains unspecified in the filings.

Waukegan Steel LLC has confirmed that an internal investigation into the breach is currently in progress. This investigation aims to ascertain the full scope of the incident, identify the information affected, and understand how the breach occurred.

Individuals who receive a direct notification from Waukegan Steel LLC regarding this event should carefully review the information provided. It is always a good practice to remain vigilant for any unsolicited communications that request personal details or unusual activity on your accounts.

As a general precaution, consider updating passwords for online services, especially those using the same credentials across multiple sites. Enabling multi-factor authentication on critical accounts can also add an extra layer of security. Regularly monitoring financial statements for any unauthorized transactions is also recommended.

Source: IN Attorney General filing

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