The covered entity (CE), Managed Health Services, reported that employees of its business associate (BA) were the victims of an email phishing attack affecting the protected health information (PHI) of 31,300 individuals. The PHI involved included names, dates of birth, addresses, diagnoses, and other identifiers. The CE notified HHS, affected individuals, the media, and provided substitute notice. In response to the breach, the CE provided complimentary credit monitoring services and the BA implemented additional administrative, technical, and security safeguards.