United Health Breach 2025 Report. Unitedhealth says files with personal information that could cover a “substantial portion of people in america” may have been taken in the cyberattack earlier. Department of health and human services’ office for civil rights (ocr) issued a “dear colleague” letter addressing the cybersecurity incident.

On july 19, 2025, change healthcare filed a breach report with the hhs office for civil rights (ocr) concerning a ransomware attack that resulted in a breach of protected. Cnn — a third of americans may have had their personal data swept up in a february ransomware attack on a unitedhealth group subsidiary that disrupted.