The article contains a review of the methods of controlling the functioning of information systems. The use of these methods guarantees correctness of data contained in files, which is an indispensable condition for effective ...

The article deals with problems concerning the control of the process of designing information systems and of the design documentation connected with it. Such controls aim at increasing the reliability of information ...

The article discusses the problem of threats connected with introduction of informatics to data processing. There are analyzed typical deliberate and non-deliberate threats (computer offences) and ways of counteracting them.