Security methods and devices, including biometrics

Biometrics refers to the identification of
humans by their characteristics or traits.
Biometrics is used in computer science as a
form of identification and access control.
Biometric identifiers are the distinctive,
measurable characteristics used to label and
describe individuals. These are used by
machines and software to work out a process.
Examples include, but are not limited to
fingerprint, face recognition, DNA, Palm
print, hand geometry, iris
recognition, retina and odour/scent. Within a
hospital or at a doctors surgery, biometrics
can be used so that only certain people can
access certain equipment or medication.
Increase security - Provide a convenient and
low-cost additional tier of security.
Reduce fraud by employing hard-to-forge
technologies and materials, e.g. finger prints.
Reduce password administration costs.
Replace hard-to-remember passwords which
may be shared or observed.
The finger print scanner and the hand or
palm geometry can pass on illness to the
Biometrics security is expensive to install
Takes a long time getting peoples data onto
the system