IT Baseline Protection Manual - The Information Warfare Site

Threats Catalogue Deliberate Acts Remarks
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T 5.27 Repudiation of a message
In any form of communication a communication partner can deny having
received a message (repudiation of receipt). This is of particular importance in
the case of financial transactions. A communication partner can deny having
received a message sent by post just as a fax or e-mail.
Example:
An electronic order was placed for an urgently needed spare part. After a week
of shutdown, a complaint about non-delivery was lodged. The supplier denies
ever having received such an order.
A communications subscriber can also repudiate transmission of a message,
e.g. deny having sent an order.
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IT-Baseline Protection Manual: Oktober 2000