Biometric technologies

In what follows there is a brief description of the principal biometric technologies, whose respective proponents - producers, research laboratories, think tanks - mostly tend to claim superiority over the others. A frequently used definition of "biometric" is that of a "unique, measurable characteristic or trait of a human being for automatically recognizing or verifying identity" (http://www.icsa.net/services/consortia/cbdc/bg/introduction.shtml); biometrics is the study and application of such measurable characteristics. In IT environments, biometrics are categorised as "security" technologies meant to limit access to information, places and other resources to a specific group of people.

All biometric technologies are made up of the same basic processes:

1. A sample of a biometric is first collected, then transformed into digital information and stored as the "biometric template" of the person in question.

2. At every new identification, a second sample is collected and its identity with the first one is examined.

3. If the two samples are identical, the persons identity is confirmed, i.e. the system knows who the person is.

This means that access to the facility or resource can be granted or denied. It also means that information about the persons behaviour and movements has been collected. The system now knows who passed a certain identification point at which time, at what distance from the previous time, and it can combine these data with others, thereby appropriating an individual's data body.

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fingerprint identification

Although fingerprinting smacks of police techniques used long before the dawn of the information age, its digital successor finger scanning is the most widely used biometric technology. It relies on the fact that a fingerprint's uniqueness can be defined by analysing the so-called "minutiae" in somebody's fingerprint. Minutae include sweat pores, distance between ridges, bifurcations, etc. It is estimated that the likelihood of two individuals having the same fingerprint is less than one in a billion.

As an access control device, fingerprint scanning is particularly popular with military institutions, including the Pentagon, and military research facilities. Banks are also among the principal users of this technology, and there are efforts of major credit card companies such as Visa and MasterCard to incorporate this finger print recognition into the bank card environment.

Problems of inaccuracy resulting from oily, soiled or cracked skins, a major impediment in fingerprint technology, have recently been tackled by the development a contactless capturing device (http://www.ddsi-cpc.com) which translates the characteristics of a fingerprint into a digitised image.

As in other biometric technologies, fingerprint recognition is an area where the "criminal justice" market meets the "security market", yet another indication of civilian spheres becomes indistinguishable from the military. The utopia of a prisonless society seems to come within the reach of a technology capable of undermining freedom by an upward spiral driven by identification needs and identification technologies.

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Terrestrial antennas

Microwave transmission systems based on terrestrial antennas are similar to satellite transmission system. Providing reliable high-speed access, they are used for cellular phone networks.

The implementation of the Wide Application Protocol (WAP) makes the wireless access to Internet services as E-Mail and even the World Wide Web via cellular phones convenient. Therefore microwave transmission systems become increasingly important.

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Liability of ISPs

ISPs (Internet Service Provider), BBSs (Bulletin Board Service Operators), systems operators and other service providers (in the U.S.) can usually be hold liable for infringing activities that take place through their facilities under three theories: 1) direct liability: to establish direct infringement liability there must be some kind of a direct volitional act, 2) contributory liability: a party may be liable for contributory infringement where "... with knowledge of the infringing activity, [it] induces, causes or materially contributes to the infringing activity of another." Therefore a person must know or have reason to know that the subject matter is copyrighted and that particular uses violated copyright law. There must be a direct infringement of which the contributory infringer has knowledge, and encourages or facilitates for contributory infringement to attach, and 3) vicarious liability: a party may be vicariously liable for the infringing acts of another if it a) has the right and ability to control the infringer's acts and b) receives a direct financial benefit from the infringement. Unlike contributory infringement, knowledge is not an element of vicarious liability.


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