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Data Breach Exposes Financial and Health Information of 460,000 Montanans

Data Breach Exposes Financial and Health Information of 460,000 Montanans

First seen 2 Dec 2025, 18:33 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A data breach involving Montana Blue Cross-Blue Shield has potentially compromised the financial and health information of over 460,000 residents. In response, the Montana Insurance Commissioner has implemented an AI tool to assist affected customers in navigating the aftermath of the breach.

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