{"slug":"pad","title":"Presentation Attack Detection (PAD)","definition":"PAD refers to techniques used to detect artefacts (masks, photos, deepfakes) intended to spoof biometric systems.","related":["facial-recognition","fingerprint-recognition","voice-recognition","iris-recognition"],"createdAt":"2025-05-07T00:00:00.000Z","updatedAt":"2025-05-07T00:00:00.000Z","faq":[{"question":"What is Presentation Attack Detection (PAD)?","answer":"PAD refers to techniques used to detect and prevent spoofing attacks by verifying that a biometric sample originates from a live human rather than artificial artefacts."},{"question":"Why is PAD critical for biometric systems?","answer":"PAD ensures security by preventing attackers from using masks, photos, or deepfake videos to spoof biometric authentication."},{"question":"What methods are used for PAD?","answer":"Common methods include texture analysis, motion/liveness detection, infrared imaging for vein patterns, and challenge-response protocols."}],"license":"CC-BY-4.0","_meta":{"dataset":"glossary","schemaVersion":"1.0.0","license":"CC-BY-4.0","sourceType":"markdown","sourcePath":"content/glossary/pad.md","canonicalPath":"/glossary/pad","apiPath":"/api/glossary/pad"}}