During a physical security assessment, the penetration tester observes that server-room access is controlled by 125-kHz proximity badges that were cloned in previous red-team exercises. Management now wants a replacement that verifies the individual's identity and prevents easy duplication of credentials. Which control would BEST meet these requirements?
Iris recognition evaluates the unique, stable patterns inside each person's eye and incorporates liveness checks, making it extremely difficult to clone or spoof. Fingerprint readers are vulnerable to lifted or worn prints, while physical tokens and printed badges can be lost, shared, or copied with inexpensive hardware. Therefore iris scanning offers the strongest identity assurance and resistance to unauthorized replication.
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Why is iris scanning more secure than fingerprint scanning?
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What are liveness checks in biometric security?
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How does proximity badge cloning work, and why is it a risk?