The covered entity (CE), Aesto Health, reported that it was the subject of a ransomware attack that affected the protected health information (PHI) of 17,400 individuals. The PHI involved included names, dates of birth, and clinical information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE implemented additional administrative, technical, and security safeguards to better protect its PHI.