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As the name suggests information technology has built on existing ways of storing information for various reasons including better security accessibility and data integrity Although there are various other reasons for using information technology these are the reasons of primary importance and hence are necessary for the discussion of threats and prevention through various means Security is by far the most common reason for using information technology Originally important paperwork and confidential documents were stored in locked file cabinets so that even if someone did gain access to the room where the files were contained their access would be limited to a lock Thieves that wanted to retrieve the information would need to break or bypass the lock to retrieve the information In information technology a computer is used in place of a filing cabinet although there are still a number of firms that rely on old technologies or combinations of the two Like the filing cabinet the computer is only able to give access to those who have a key or password A computer can also have a secondary security system in which different users have different access limits This is equivalent to only having certain people in the office having access to different information Furthermore files in the computer can be locked by a particular user which is equivalent to locking a file in a filing cabinet which delays or prevents theft At this point we discuss why a computerized information system is either more or less secure than traditional methods One of the primary ideas behind computers is that the computer key or password is unique for each person or group and can be changed as often as necessary with no cost other than time Changing a real lock however is difficult because all of the keys for that lock must be changed which requires more time and of course money which is not as effective for running a business If
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