Considerations on the Effectiveness of Protection by Passwords
Part of the Lecture Notes in Medical Informatics book series (LNMED, volume 25)
In health information systems in general a significant part of the stored data is of a confidential nature. An adequate protection is thus of vital importance. In most terminal based information systems the access protection is based on a password that the authorized user has to offer to the system when he tries to access it. In general there is a password for each individual user; two strategies can be distinguished:
The system generates the passwords periodically.
The user can choose his own password and ca]i be forced to change it periodically.
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© Springer-Verlag Berlin Heidelberg 1985