462,000 Montana Blue Cross Customers' Medical Data Potentially Exposed

The Montana Commissioner of Securities and Insurance opened an investigation into Blue Cross Blue Shield of Montana after a data breach at third-party vendor Conduent Business Services potentially exposed the private medical information of 462,000 current and former customers. The breach affects individuals whose sensitive health data was handled by the vendor, which processes claims for the insurer.

Conduent, a business process services company, experienced a security incident that compromised customer data across multiple clients. Medical information—including diagnosis codes, treatment records, and personal identifiers—may have been accessed. Blue Cross Blue Shield of Montana is the largest health insurer in the state, serving hundreds of thousands of residents.

State regulators are examining whether adequate contractual safeguards existed between Blue Cross and its vendor. Affected customers face potential risks of medical identity theft and insurance fraud. Montana residents with Blue Cross coverage should monitor their insurance statements for unauthorized claims.