Which category of information security ensures personal health information is available to authorized users?

The correct answer focuses on the principle of availability within information security. In the context of health information management, availability refers to ensuring that personal health information can be accessed by authorized users whenever it is needed. This is crucial in healthcare settings where timely access to patient data can impact decision-making, treatment, and patient safety.

Availability is part of the broader triad of information security principles, which also includes confidentiality and integrity. While confidentiality pertains to safeguarding sensitive information from unauthorized access and integrity ensures that the data remains accurate and unaltered, availability specifically addresses the need for authorized individuals to access necessary information without delay.

In practice, measures taken to enhance availability may include implementing reliable data storage solutions, ensuring systems are regularly maintained and updated, and providing adequate training for staff on accessing and using health information systems effectively. This ensures that healthcare providers can provide appropriate care and make informed decisions based on the information available to them.