Answer is A: While having the user's photograph to help identify them (option C) is an important feature for verifying the identity of the cardholder, it is not primarily a cybersecurity feature. It serves more as a physical security measure.
On the other hand, the inability to export the private certificate/key (option A) directly enhances the cybersecurity of the PIV card by ensuring that sensitive cryptographic keys cannot be removed or tampered with, thereby protecting digital transactions and communications. This feature is critical for maintaining the security and integrity of the cryptographic functions that the PIV card performs, making it a key cybersecurity feature.
A. Inability to export the private certificate/key
A key cybersecurity feature of a Personal Identification Verification (PIV) Card is the inability to export the private certificate/key. The PIV card is designed to securely store cryptographic keys and certificates used for authentication and digital signatures. The private key is securely stored within the card's chip and cannot be exported or copied, providing an additional layer of protection against unauthorized access or use.
Photograph is NOT a cybersecurity feature, A (Private key) is more appropriate
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