Biometric concealment

Contents

Biometric concealment includes any practice that obscures biometric identifiers (unique physical or biological characteristics) that can be used for identification purposes.

See the facial recognition topic and the chapter “Traces” in Prisma.

Techniques addressed by this mitigation

NameDescription
Forensics
Facial recognition

You can wear a mask to cover your facial features, and sunglasses or a hat with a low brim to cover your eyes.

Gait recognition

You can wear baggy clothing that hides your body shape, use an umbrella or other concealing objects, or drastically change your walking style by adopting a “funny walk”.

Handwriting analysis

You can write on digital devices instead of by hand to conceal your handwriting. For example, when writing graffiti, you can use only uppercase letters and make the lettering as generic as possible.

Linguistics

You can hide the acoustic properties of your voice to conceal it.

Mass surveillance
Video surveillance

When filmed by surveillance cameras, you can:

  • To prevent gait recognition, wear baggy clothing that hide your body shape, use an umbrella or other concealing objects, or drastically change your walking style by adopting a “funny walk”.
  • To prevent facial recognition, wear a mask to cover your facial features, and sunglasses or a hat with a low brim to cover your eyes.