Knowledge hub

Liveness Detection

Liveness detection is a biometric security mechanism designed to verify that the person attempting authentication is a real, live human being rather than a static image, video replay, or digital spoof. This technology has become particularly important in both in-person and remote healthcare environments where accurate patient identification is critical to avoid fraud.

In remote healthcare scenarios, liveness detection enhances patient access over Zoom or similar telehealth platforms. Face authentication for patient access (or check-in) is often bundled with liveness detection and available across a number of enterprise workflows including Windows login, mobile device checkout for iOS and Android, and password resets. These workflows are adopted widely by clinical users, knowledge workers, and patients. Some liveness detection AI models, such as Imprivata's, passively detects liveness based on image quality signals like lighting, depth, and motion blur — a key differentiator from traditional active liveness methods.

When patients use remote facial recognition software for authentication, the camera for face authentication validates not just the physical appearance but also the real-time presence of the patient. This prevents unauthorized access by ensuring that still images or deepfakes cannot bypass the system. For patient access using remote tools, these safeguards play a vital role in maintaining trust between providers and patients, particularly when sensitive medical information is being shared outside of a controlled clinical setting.

Another advantage of liveness detection lies in its ability to work alongside other biometric methods, such as facial recognition with mask or glasses. Traditional systems may struggle to authenticate individuals when their appearance changes due to protective equipment or accessories. But with more advanced face authentication technology, healthcare organizations can more reliably ensure positive patient identification for telehealth sessions or in-person visits, using standard webcams for face matching.

Ultimately, liveness detection strengthens identity assurance by adding an additional fraud safeguard to biometric face authentication. Whether implemented through remote facial recognition software or at a clinic using a standard camera for face authentication, this capability reduces fraud risks and improves compliance with security requirements.