A cyberattack on ApolloMD in May 2025 compromised the personal information of over 626,000 individuals. Hackers accessed files containing sensitive data, including names, addresses, and health insurance details, with some Social Security numbers also at risk.

Mainline Health Systems and Select Medical Holdings have reported data breaches affecting over 100,000 individuals. Mainline Health's breach was linked to the Inc Ransom ransomware group, while Select Medical's data exposure resulted from a security incident involving a former vendor.

Ascension, a major U.S. healthcare system, has disclosed a data breach affecting personal and health information of patients due to a vulnerability in third-party software used by a former partner. The breach impacted over 114,000 individuals in Texas and included sensitive data such as Social Security numbers and medical records. Ascension is offering two years of free identity monitoring services to those affected.

Radiology Associates of Richmond has reported a data breach affecting over 1.4 million individuals, with hackers accessing their systems for several days in April 2024. The compromised systems contained identifiable protected health and personal information.

Over 624,000 individuals were notified of a data breach at Healthcare Services Group, where personal information, including Social Security numbers and financial details, was stolen. The breach occurred between September 27 and October 3, 2024, and was identified on October 7, 2024.