A financial company has decided to implement an additional security layer for accessing its internal customer database system to ensure that only authenticated and authorized employees can view sensitive customer information. The system now requires an access code from a hardware token in addition to the username and password. This change primarily strengthens which element of AAA?
The correct answer is 'Authentication' because the implemented access code from a hardware token is an additional authentication factor that must be presented along with the username and password. This is known as multi-factor authentication (MFA), which significantly increases the security by requiring multiple forms of verification before granting access.
The incorrect choices are: 'Authorization' refers to granting or denying rights to a user, resource, or service once authentication has been successful. 'Accounting' involves tracking user activities and resource usage, which could be for billing or auditing purposes. 'Non-repudiation' ensures that a person or entity cannot deny sending a message or transaction, which is not directly enhanced by the addition of a hardware token.
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