Identity and Credential Verification

B.

Authentication is the process of proving whether the identity presented by a user is true and valid.

This can be done through common mechanisms such as user ID and password combinations or with more secure methods such as multifactor authentication.

The correct answer to the question is option B: Authentication.

Authentication is the process of verifying the identity of a user or system attempting to access an application or data. This process helps to ensure that only authorized users can access the resources they need while protecting against unauthorized access.

Authentication typically involves presenting a set of credentials, such as a username and password, to the system or application being accessed. The system then checks these credentials against a pre-existing database of authorized users and grants access if the credentials match.

There are several types of authentication, including:

1. Password-based authentication: This is the most common form of authentication and involves the user providing a username and password to access the system or application.

2. Multi-factor authentication (MFA): This involves the use of multiple forms of authentication, such as a password and a fingerprint scan, to provide an extra layer of security.

3. Certificate-based authentication: This involves the use of digital certificates to authenticate the user or system.

4. Biometric authentication: This involves the use of unique physical characteristics, such as a fingerprint or iris scan, to authenticate the user.

In summary, authentication is the process of verifying the identity of a user or system attempting to access an application or data. It is a critical component of any security system and helps to ensure that only authorized users can access sensitive resources.