Data Breach Law Group Investigates the Hartshorne Plunkard Architecture LLC Data Breach
By Data Breach Law Group | Posted on September 3, 2025 · Indiana
Miami, FL — Data Breach Law Group is investigating a data breach involving Hartshorne Plunkard Architecture LLC, reported to the Indiana Attorney General on September 3, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Hartshorne Plunkard Architecture LLC is a professional architecture and design firm that manages complex project documentation, client contracts, and employee records. In the course of their business operations, the firm typically collects and stores sensitive information, including employee Social Security numbers, payroll details, and proprietary client project data. This data breach was officially reported to the Indiana Attorney General in 2025, confirming that unauthorized parties may have accessed files maintained on the company's systems. If you have received a formal data breach notification letter from the firm, it indicates that your personal information was likely contained within the impacted records. We recommend reviewing the letter carefully to understand the specific scope of the exposure and the identity monitoring services being offered.
If you were affected
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.
Did you receive a letter from Hartshorne Plunkard Architecture LLC?
A case review is free and confidential. Tell us about your letter and we will explain your options.