Blue Cross MN Data Breach Affects 3,640 Individuals

Blue Cross and Blue Shield of Minnesota, the largest health plan in the state, disclosed a data breach that affected 3,640 individuals in the United States. The nonprofit health insurer is headquartered in Eagan, Minnesota, and has served the state for more than 90 years.

The breach was reported to the U.S. Department of Health and Human Services on July 21, 2026.

As a major health insurer, Blue Cross and Blue Shield of Minnesota collects and maintains a wide range of personal and medical information data such as names, dates of birth, Social Security numbers, health insurance identification numbers, medical records, diagnoses, treatment histories and billing information. However, the specific types of data that were exposed in this particular breach have not been identified in the regulatory filings available at the time of this report.

A breach of this kind of information can create risks for affected individuals, including the potential for identity theft or medical fraud.

The dates the breach occurred and how it was discovered have also not been described in public disclosure.

Blue Cross and Blue Shield of Minnesota's response to the breach

Individuals who believe they may have been impacted should watch for direct communication from Blue Cross and Blue Shield of Minnesota, which may arrive by mail.

Anyone who has questions about the breach or wants to determine whether their personal information was involved can visit the company's website or contact Blue Cross and Blue Shield of Minnesota directly.