Which principle emphasizes the importance of limiting data access to authorized personnel only?

The principle that emphasizes the importance of limiting data access to authorized personnel is confidentiality. This concept is fundamental in data security and privacy practices, as it ensures that sensitive information is only accessible to those who have been given explicit permission to use or view it.

Confidentiality protects sensitive data from unauthorized disclosures, which could occur if individuals or entities that are not authorized to access the information gain entry. Implementing confidentiality measures, such as encryption, access controls, and robust authentication mechanisms, helps organizations safeguard personal information and maintain the trust of their stakeholders.

In contrast, the other principles—data integrity, transparency, and accountability—focus on different aspects of information security. Data integrity ensures that the information remains accurate and unaltered, while transparency involves clear communication about how data is collected, used, and shared. Accountability pertains to the responsibility of individuals or organizations to manage and protect data properly. While all these principles are important in cybersecurity, confidentiality specifically stresses the need for restricted access to data.