Mile Bluff Medical Center Investigates Data Breach Impacting Sensitive Patient Information Mile Bluff Medical Center, a healthcare provider serving over 55,000 residents across five counties in south-central Wisconsin, disclosed a security incident on April 21, 2026, involving data encryption that disrupted its systems. The breach affected phone and computer networks, causing temporary service interruptions, though clinical teams implemented downtime procedures to ensure patient care continuity. The facility, located in Mauston, WI, has engaged internal and third-party experts to investigate the full scope of the incident. While details remain under review, affected individuals may have had sensitive personally identifiable information (PII) exposed. Class action law firm Shamis & Gentile P.A. is now investigating potential legal claims for those impacted, citing possible eligibility for compensation. The firm is actively reviewing cases related to the breach. Mile Bluff Medical Center, founded in 1893, offers a range of services, including primary care, surgery, and senior care, making the incident particularly concerning for its rural patient base.