Biometric data

Biometric data, as defined in Article 4(14) of General Data Protection Regulation (GDPR): “‘biometric data’ means personal data resulting from specific technical processing relating to the physical, physiological, or behavioral characteristics of a natural person, which allows or confirms the unique identification of that natural person, such as facial images or dactyloscopic data.”

Examples of physical or physiological biometric identification techniques:

  • Facial recognition;
  • Dactyloscopic data (fingerprint verification);
  • Iris scanning;
  • Retinal analysis;
  • Voice recognition;
  • Ear shape recognition.

Examples of behavioral biometric identification techniques:

  • Keystroke analysis;
  • Handwritten signature analysis;
  • Gait analysis;
  • Gaze analysis (eye-tracking).