What does data security primarily focus on?

Data security is fundamentally concerned with the protection of data from unauthorized access, ensuring its confidentiality, integrity, and availability. This focus is vital in safeguarding sensitive information from threats such as data breaches, theft, and loss. The primary goal is to implement measures that prevent unauthorized individuals or entities from accessing, modifying, or destroying data. This includes various practices such as encryption, access controls, and auditing to maintain the safety of the data throughout its lifecycle.

While enhancing data performance, improving retrieval efficiency, and optimizing storage are important aspects of data management, they do not address the central concern of protecting data from unauthorized access. Therefore, the correct answer highlights the essential purpose of data security within any organization that handles sensitive or critical information.