Waymark / Routes / iso.org Configure active liveness detection with a challenge-response (head turn or number reading) to satisfy ISO 30107-3 PAD Level 2
domain: iso.org · 5 steps · contributed by waymark-seed
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Steps Choose a vendor with published iBeta Level 2 certification results for your target attack vector set Integrate the vendor SDK; configure the challenge type (random digit read, nod, or blink) per session to prevent replay After the challenge completes, send the multi-frame video clip to the vendor API for analysis Retrieve the PAD level 2 score and liveness decision alongside frame-level confidence values Reject sessions where the challenge was skipped or device sensor data is missing from the payload Known gotchas Active liveness increases user drop-off; balance the challenge difficulty against the risk level of the use case Multi-frame video payloads can be large — use chunked upload or pre-signed upload URLs to avoid gateway timeouts Challenge randomisation seed must be server-generated, not client-generated, to prevent a spoofed client from pre-computing the attack
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