Titlebook: Data Security; Technical and Organi Thomas H. Lenhard Book 20221st edition Springer Fachmedien Wiesbaden GmbH, part of Springer Nature 2022

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Introduction, greatest differences worldwide, the same technology is used almost everywhere in the world, so that it can be expected that data security problems will be at least similar everywhere in the world. The introduction to this publication addresses in particular the fact that a global network also entails cross-border problems and challenges.

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How Computers Communicate with Each Other,ecurity. Before one can correctly assess threats to the security of IT systems, it is necessary to know how these systems work and, in particular, how computers communicate with each other. This chapter therefore conveys basic knowledge in order to understand why security problems repeatedly occur in the environment of computer communication.

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Dangerous Software,ention of a program developer. The chapter shows that the hazard potential of programs can have different reasons. The program may pose an intentional or unintentional threat. However, as will be explained further, a hazard can also result from a use of programs for a purpose other than that for which they were intended.