Healthcare Data Breach 2025 Update. Yes, on july 19, 2025, change healthcare filed a breach report with ocr concerning a ransomware attack that resulted in a breach of protected health information. Unitedhealth group said on monday that hackers stole health and personal data of potentially a substantial proportion of americans from its systems in february, as the largest.

According to a midyear report from the identity theft resource center, the number of data breaches in the first half of 2025 (about 1.1 billion) marked a 490% uptick over the first. To date, government has relied on more voluntary standards to protect the health care system’s networks,.