Harnish Group Inc. Reports 2025 Data Breach to Montana AG

Harnish Group Inc. filed an official data breach notification with the Montana Attorney General in December 2025, confirming an incident that occurred on November 11, 2025. The filing indicates that unauthorized activity led to the compromise of systems holding personal information.

While the official filing does not specify the types of data involved, Harnish Group Inc. has confirmed that personal information was accessed during the incident. Such breaches can impact various records held by professional services or industrial equipment companies.

The company is currently investigating the scope and nature of the breach. If you received a direct notification letter from Harnish Group Inc., this confirms that your information was among the data affected and that the company has details about your particular exposure.

It is important to carefully review any such letter. This document will outline any specific details known to the company and provide information on services, such as credit monitoring, that may be offered to help protect affected individuals.

As general protective steps, consider monitoring your financial accounts and credit reports for suspicious activity. Remain vigilant against unsolicited communications that ask for personal details, and consider placing a fraud alert or security freeze on your credit files.