Biometrics –
Identification or Verification
At +Accsys, we get asked everything from how fingerprints
form, to what is the best solution, identification or verification.
Then there is optical or capacitance as a choice, too.
Lots of choices.
The Identification or Verification question is interesting,
though. Biometric identification is
simple, you present the required body part to the reader, and it recognises you
based on an algorithm saved on the system.
Verification requires media or a pin code first, then you are asked to
verify that it has the right person by presenting your finger or face etc.
Verification is more secure, as it relies on the double
affirmation. However, unless pin code
is used, it requires the employee to carry media, with the attendant risk of
loss or “I forgot it at home”, not to mention the cost of the media.
While verification does seem to be a slower choice, in
certain circumstances it can speed up the operation, as the memory search for
the correct biometric algorithm can take time, on certain devices and with some
software solutions.
It is also important to note that verification, through
limiting the search space, allows for handling of much larger quantities. Our Accsys IT Director, Dr Liam Terblanche
gives pension payouts as an example. He
says that if we were to use biometrics for handing these out, we would definitely
be looking at verification rather than identification, because of the sheer
volume.
There is no question that identification has achieved more
common usage, though. The practicality
of not requiring media or memory (remembering a pin code) has given this option
the edge.
Links, References and Notes
Business Connexion:Accsys
email: tschroenn@accsys.co.za
twitter: @TerylSchroenn
Note
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