The correct answer is C. Authentication.
Authentication is the process of verifying the identity of a user or entity. It is a security process that ensures that only authorized users are able to access a system or resource. Authentication is typically done by requiring users to provide some form of identification, such as a username and password, or a biometric identifier, such as a fingerprint or facial scan.
Auditing is the process of reviewing and evaluating the effectiveness of an organization’s internal controls. It is a way to ensure that the organization is complying with laws and regulations, and that its financial statements are accurate.
Authorization is the process of granting users access to resources based on their identity and privileges. It is a way to control who can access what, and when.
Accounting is the process of recording and reporting financial transactions. It is a way to track the financial performance of an organization.
In conclusion, authentication is the process of identifying any individual. It is a security process that ensures that only authorized users are able to access a system or resource.