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Investigation OpenIN AG filing · March 30, 2026

Windels Marx Lane & Mittendorf LLP Reports Data Security Incident

Windels Marx Lane & Mittendorf LLP reported a data security incident to Indiana authorities. The breach occurred in September 2025 and is currently under investigation, impacting an unspecified number of individuals.

State
IN
Breach date
September 11, 2025
Reported
March 30, 2026

Windels Marx Lane & Mittendorf LLP, a law firm, filed a notice with the State of Indiana regarding a data security incident. This report indicates that an unauthorized event compromised personal information held by the firm.

The breach took place on September 11, 2025. The firm became aware of the incident and subsequently submitted its report to regulators on March 30, 2026. The investigation into the scope and nature of the incident is ongoing, according to the public filing.

The specific categories of personal information involved in this breach were not detailed in the public records available for this case. Similarly, the number of individuals affected by this security incident has not been specified.

Individuals who receive notification about this incident are advised to remain vigilant. It is recommended to carefully review any account statements or financial reports for suspicious activity. Consider placing a fraud alert or credit freeze with major credit bureaus to help protect against potential misuse of your data.

This information is derived from public filings made with regulatory bodies, documenting reported data security incidents. For the most accurate and up-to-date details concerning this event, refer to official notifications from Windels Marx Lane & Mittendorf LLP or regulatory disclosures.

Source: IN Attorney General filing

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