The covered entity (CE), WellStar Health System, Inc., reported that several employees were victims of an email phishing attack affecting the protected health information (PHI) of 30,417 individuals. The PHI involved included names, lab results, and other treatment information. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE sanctioned the responsible employees and implemented additional administrative and technical safeguards. Staff were retrained in email security.