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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

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Numan Zafar

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Book Open access Oct 2026

What you know, How you act: Transactional VR Authentication

Mid-air PIN entry in virtual reality is vulnerable to observation and replay: once an attacker learns the credential, access to sensitive data, collaboration spaces, or financial workflows is compromised. We investigate transactional VR authentication, which combines what you know (the PIN) with how you act (behavioral...

Numan Zafar, S. Chaudhry · 0 citations

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