Harnish Group Inc. Reports Data Security Incident in Montana

Harnish Group Inc., which typically manages extensive administrative records for clients and employees, reported a data security incident to the Montana Attorney General. The event involved unauthorized access to its protected systems, with the breach date recorded as November 11, 2025. This incident was officially filed on December 31, 2025.

While specific categories of compromised data were not detailed in the public filing, the company's notification suggests that personal information was involved. If you received a data breach notification letter from Harnish Group Inc., it indicates that your personal information was stored within the affected environment. We advise carefully reviewing your specific letter to understand what details were potentially exposed and any identity protection services offered.

At the time of reporting, Harnish Group Inc. stated that the incident remains under investigation. Such filings with state attorneys general serve to inform the public and affected individuals about security incidents that may impact their data privacy, as required by law.

Individuals who believe they may be affected should take general precautions. Consider regularly monitoring your financial accounts and credit reports for any unusual activity. It is also advisable to be cautious of unsolicited communications, as scammers may try to exploit data breaches by attempting to obtain more information through phishing attempts.