The covered entity (CE), ZOLL Services, reported that it experienced a ransomware attack that affected the protected health information (PHI) of 997,097 individuals. The PHI involved included names, social security numbers, addresses, birthdates and other treatment information. The CE notified HHS, the affected individuals, and the media. In response to the breach, the CE provided complimentary credit monitoring services and implemented additional administrative, technical, and security safeguards to better protect its PHI.