-Nowadays biometrics is being used in many applications where security is required. This fact causes that new threatens have appeared and that the number of attempts to break biometric systems has increased. From all potential attacks, those involving damage or thefts to users are the most worrying. Most of them could be avoided if acquisition sensors would have suitable approaches for aliveness detection at the capture process. Many providers claim that their products support these methods but unfortunately it has been discovered that some products do not detect fake samples. In this paper a methodology based on Common Criteria is given to evaluate, in an independent way, whether biometric capture devices implement methods for fake samples detection, and till which extent such methods are effective. This methodology has been tested with sensors from different modalities.
Studying usability of biometric products is of great interest for learning in advance how users will behave once the system is installed. This paper presents the work carried out for the evaluation of the usability of five access control systems based on fingerprint recognition. Users are grouped by ages, and a homogeneous representation of ages and sex are considered. Results will show how different devices can present different results considering usability, and conclusions will provide the lessons learned as to be applied in following evaluations.
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