What is the difference between data privacy and data security in nursing informatics?

• A. Privacy governs how data can be used and shared; security protects data from unauthorized access (e.g., encryption, authentication, audits).
• B. Privacy protects data from unauthorized access; security governs how data can be used and shared.
• C. Privacy is about data accuracy; security is about data availability.
• D. Privacy relates to patient consent; security relates to data backup.

Answer: (A)

The main idea here is that privacy and security serve different purposes in nursing informatics: privacy is about how data can be used and shared, while security is about protecting data from unauthorized access. Privacy governs who may view or disclose patient information and under what circumstances, including consent and applicable laws. Security establishes the technical and administrative safeguards that keep data safe from unauthorized access or exposure—things like encryption to protect data at rest or in transit, strong authentication to verify who is accessing records, and audit trails to monitor who looked at what data.

For example, privacy would guide whether a clinician can share a patient’s information with another department or with a family member, based on consent and regulations. Security measures would ensure that only authorized users can view records, that data is encrypted, and that any access is recorded for accountability.

The other options mix up these roles: privacy is not primarily about preventing access itself, and security is not simply about data backup or availability; it includes protecting data from unauthorized access and ensuring integrity and proper use through safeguards. This option correctly identifies that privacy concerns how data is used and shared, while security concerns guarding against unauthorized access with safeguards like encryption, authentication, and audits.