access control and authentication

Access control and authentication are security measures implemented to regulate and validate individuals' access to a particular system, network, or resource. Access control refers to the process of granting or denying permissions to authorized users based on their identity, role, or specific criteria. Authentication, on the other hand, verifies the identity of a user through various methods such as passwords, biometrics, or security tokens to ensure that only genuine users gain access to the system.

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