The Windels Marx Lane & Mittendorf LLP Data Breach: Incident Facts and Free Case Review
Windels Marx Lane & Mittendorf LLP is a prominent law firm that provides comprehensive legal services to a diverse range of corporate and individual clients. In the course of their professional operations, the firm collects and maintains highly sensitive information, including personal identification, financial records, and confidential case-related documentation. In 2026, the firm officially reported a data security incident to the Indiana Attorney General, confirming that unauthorized access to their systems occurred. If you have received a data breach notification letter from the firm, it indicates that your personal information was stored within their environment at the time of the incident. This notice is intended to inform you of the event and provide guidance on the steps you should take to protect your identity and financial security.
- State
- Indiana
- Breach date
- September 11, 2025
- Reported
- March 30, 2026
What to do if you were affected
These general steps can help limit the risk of identity theft and fraud after any data breach.
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Related data breach cases
- Bozeman School District
- Teamsters Local 17
- Bank
- American Vanguard Corporation
- Graphic Information Systems Inc
- Arcadia of Benton LLC
- Arcadia of Bowling Green LLC
- Arcadia of Clarksville LLC
- Arcadia of Elizabethtown LLC
- Arcadia of Louisville LLC
- Hahn Loeser & Parks LLP
- Mather & Co CPAs LLC
- Graymont Inc
- Active Leadgen LLC dba ukvisaportal.com