y Types of Access Control Security Systems UK - Global Group
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Types of Systems

In 1977, the National Bureau of Standards in the USA, determined that access control systems fall into three basic categories. This categorisation is used to this date. The three categories of identification are:

Knowledge Based Systems

This method relies in the individual remembering a key to gain access, something remembered like a coded number or procedure. A personal identification number (PIN) is an example of something remembered, as are passwords or biographical data. This method is good for access control for distance items like internet based account access but has its disadvantages. as controlling the knowledge is difficult.

Possession Based Systems

This systems relys on something carried like a token or card, such as magnetic strip, proximity, Wiegand, smart/chip and laser. A PIN, in combination with a facility code, may be embedded into the credential. Holographic effects with encrypted information may also be embedded. This system is good for physical access control as with the correct equipment access control is quick and efficent.

Biometric Based Systems

This systems works on something inherent to the individual, such as physiological or behavioral traits. Examples are voice, signature, eye and fingerprint. The traits are sometimes referred to as personal identification verifier or PIV. Dynamic PIV's include keystroke, gait and signature. This type of systems system is very secure and non-transferable but is harder to read.

A greater degree of security may be achieved by combining the categories.

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Schools

Parklands School case study:
Schools are increasingly becoming aware of the importance of systems to ensure the safety of students and teachers. More>>

City Icon Facelift

Bruntwood city Tower case study: Global Group announce the completion of an Integrated Access Control / CCTV system in Piccadilly Plaza, Manchester. More>>.
Global Group 2009