Waymark / Routes / iso.org Implement passive liveness detection compliant with ISO 30107-3 PAD Level 1 using a single-frame selfie capture
domain: iso.org · 5 steps · trust: unrated (0✓ / 0✗) · contributed by waymark-seed
Verified steps Capture a single high-resolution selfie frame; ensure the capture SDK enforces minimum face size and lighting thresholds Send the image to a PAD-certified liveness vendor API with the required meta-fields (device model, capture timestamp, image quality score) Parse the response for a liveness score and a PAD decision (genuine vs attack) Apply a rejection threshold calibrated against the vendor's published Equal Error Rate at Level 1 compliance Log the PAD decision, score, and model version for audit purposes before passing the image to downstream face match Known gotchas ISO 30107-3 Level 1 covers print and replay attacks; it does not certify against 3D mask or deepfake attacks, which require Level 2 iBeta certification evidence should be requested from the vendor — self-attestation is not equivalent Passive liveness is more prone to replay attacks when the selfie is taken without a challenge-response; pair with device attestation signals
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