Montana Health Solutions experienced a data breach with a breach start date of September 17, 2024. The company filed a data notification letter, which was reported on March 28, 2025.
The breach affected 481 Montana residents. The specific types of data exposed remain unclear. No information regarding SSN, medical, or financial data exposure has been confirmed publicly.
Details about the full scope of the breach may emerge as further investigation progresses. Notification details for affected individuals are based on regulatory filings.