Access Control

Access control systems are used in companies, government agencies, military establishments and other institutions to safeguard the security of the facilities of the possible attack or violation of privacy by vandals or trespassers. Card access systems are used to prevent admission to areas such as condominiums, offices, depots and other facilities. They also eliminate the common problems of misuse of passwords if lost or stolen. Each access card has a unique number that can be erased from the system if it is lost or is hurtada. Formerly, systems of this type were only present in secret military installations, but currently are often used in airports, buildings, homes and small businesses.

When access is allowed, the person carrying the card is identified in the system and register a series of details that will be saved in a database for three years. These records allow you to know who or who went through the doors. Proximity readers and keychains they are mainly used for access control. The cards can be programmed according to the particular needs of each case. Some limited access to the main entrance during working hours; others protect the security of the server room. They may also appear in elevators, to prevent access to certain floors; in this way, employees are only enabled to enter the floor where they work. Access control systems can be programmed according to ranges of time, giving the user to certain days and times to enter the facilities. The user information is not stored on the card or key fob.

All personal data such as name, address, telephone number and photo are stored in a database. This happens even if you try to use the same card in another building with the same security system. The only one who has the power to handle this kind of data is the database administrator. Only he can decide who allow or prevent access to any particular area. In addition to the card, also there are of keyboard. Users enter a code on a keypad to gain access to a building or a particular area. Electronic keyboards are difficult to tamper with and your access code can be changed. To log entries you can give is to each user a different access code. Another type of cards that are used for access control is the proximity reader. Here, the information is not stored in a magnetic stripe, but in a microchip. This ensures greater safety and less likely to harm than to common access cards. Both types of cards, however, have the advantage of being able to show a photo and other credentials, the guards to facilitate the task of verifying the identity of persons entering the establishment.

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