Delta Medical Systems Data Breach Exposes Sensitive Patient and Financial Information Delta Medical Systems, a Wisconsin-based provider of medical imaging services, disclosed a data breach that compromised sensitive personal and financial information. The incident, detected on July 15, 2025, involved unauthorized access to the company’s email environment. After securing its systems, Delta Medical launched an investigation with cybersecurity experts, confirming that unauthorized parties had accessed or acquired data on the same day. A review of the affected files concluded in November 2025, and notifications were sent to impacted individuals by March 6, 2026, including at least three residents of New Hampshire. The exposed data includes Social Security numbers, driver’s license details, dates of birth, bank account and routing numbers, medical records, and health insurance information. Delta Medical Systems, founded in 1979 and headquartered in Brookfield, Wisconsin, serves healthcare facilities primarily in the upper Midwest and Northeast U.S. The company specializes in sales, service, and support for Siemens imaging systems. Class action law firm Shamis & Gentile P.A. is investigating the breach, citing potential legal recourse for affected individuals under data protection laws. The firm is reviewing claims for those whose information was compromised.