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| Stephen
Wilson of security consultancy beTRUSTed looks at how the emerging area
of biometrics can be used in e-security. |
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A WIDE RANGE of biometric authentication methods are now on the market and have captured the imagination of many in information security. Biometrics have great intuitive appeal, for they promise absolute identification for high-risk applications. The newer technologies are very sophisticated. Biometrics are sexy. Yet many enthusiasts overlook some fundamental limitations and assume that biometrics can, and perhaps will, supersede public key technology. This is fundamentally unlikely to happen: biometrics should be applied alongside – not in place of – PKI. What are biometrics? Biometrics comprise any number of technologies that rely on measuring a physical characteristic of some part of someone’s body in order to positively identify them.
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