A new company requirement mandates that multi-factor authentication is required to access network resources. You have been asked to research and implement the most cost-effective solution that would authenticate both hardware and users. The company wants to leverage the PKI infrastructure which is already well established. You issue individual private/public key pairs to each user and install the
public key on the central authentication system. What should you do next?
A. Require each user to install the private key on their computer and protect it with the user's credentials.
B. Deploy biometrics on each client computer.
C. Issue each user one hardware token.
D. Require each user to install the private key on their computer and protect it with a password.
D
Explanation: You should require each user to install the private key on their computer and protect it with a password.
None of the other options is necessary and would require more administrative effort than needed. Protecting the private key with the user's credentials is not a secure as protecting it with a password.
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