What is the primary function of abstraction in information security?

The primary function of abstraction in information security is to hide unnecessary details from the user. Abstraction simplifies complex systems by allowing users to interact with systems at a higher level without needing to understand the intricate details of how the underlying components work. This is essential in security because it allows users to focus on the relevant aspects of the system, such as permissions and access controls, without being overwhelmed by the technical complexities that could lead to errors or vulnerabilities.

By providing layers of abstraction, organizations can limit exposure to unnecessary information that does not pertain to a user's role or tasks, thereby reducing the potential attack surface. For instance, an end user may only need access to certain data or functionalities within an application, while the inner workings and security mechanisms remain abstracted and hidden, allowing for better management and less risk of unauthorized access.

The other options, while related to information security, do not accurately define the primary function of abstraction: enhancing the performance of systems pertains more to system optimization; ensuring data integrity focuses on maintaining accuracy and consistency; and storing data securely deals with data security measures instead of the abstraction layer itself.