The covered entity (CE), US Radiology Specialists, Inc., reported that it experienced a ransomware attack that affected the protected health information (PHI) of 1,322,347 individuals. The PHI involved included clinical and demographic information. The CE notified HHS, the affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services to the affected individuals, implemented additional administrative, technical, and security safeguards, and retrained workforce members to better protect its PHI.