The Living Dead: Hacking Mobile Face Recognition SDKs with Non-Deepfake Attacks

Face recognition is increasingly popular in mobile apps, especially for critical tasks like opening a bank account. To prevent identity spoof using injected images, liveness detection is crucial. This is particularly important due to the widespread availability of stolen identity documents and selfies on the black market.

While many researchers have studied deepfake or presentation attacks that target machine learning models, few have addressed the protocol design or implementation issues in face recognition systems that can enable low-cost and easy-to-scale …

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