Capture/replay is the name given to attacks where the biometric signals from an enrolled user are captured at one place and time and replayed later (usually at the same place) in an attempt to fool the system that the enrolled used is present. Although this can arguably occur at many points in the ...

It is true that the basic biometric features cannot be changed, though in some cases, alternatives may be available (e.g. different fingers). However the simplicity of the headline argument conceals some more complex and subtle issues. We need to understand what can be compromised, examine a number of scenarios where compromise might occur and ...

People are rather alike, and lack the true randomness that passwords can have. Lack of randomness means that it is harder to separate individuals by their characteristics and is easier to confuse them. Biometric Security Concerns produced for the UK Biometric Working Group. Last updated September 2003 12 This is a concern that is hard to ...

Template integrity and confidentiality are distinctly different issues related to template data though similar solutions may be employed to deal with both problems. Template integrity is concerned with threats to the authentication process caused by planted or modified templates, whereas template confidentiality relates to the legal and privacy issues around the template data and ...

Technically, the biometric system must be able to detect and reject the use of a copy of a biometric instead of the live biometric. This functionality is usually termed liveness detection, which refers to the ability of the system to distinguish between a sample feature provided by a live human being and a ...