Can a deepfake beat facial biometrics? How liveness detection works

Sun, 13 Sep 2026 09:00:00 -0300

Opening an account, approving a large transfer, recovering a password, signing a government contract: at some point over the last few years, your face became the key to all of it. Facial biometrics spread across Brazil because it solves a real problem — a stolen ID document in someone else's hands. But it raises a new and unavoidable question in an era when any face can be synthesized: if AI can fabricate a face on video, can't it fabricate mine in front of the bank? The short answer is "it's much harder than it looks" — and understanding why reveals where the scam actually happens.

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Can a deepfake beat facial biometrics? How liveness detection works