IT Baseline Protection Manual - The Information Warfare Site

Threats Catalogue Deliberate Acts Remarks
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T 2.56 Inadequate description of files
If files intended for electronic transmission are not adequately described, the
recipient is often not able to ascertain their origin, contents or purpose.
If several e-mails are received from the same sender that lack, or contain
inadequate marking, an incorrect sequence in sending may lead to the
misinterpretation of the messages.
Example:
Sender S sends an e-mail containing several files to recipient R. The next day,
S detects that one file still contains some errors and subsequently sends a
corrected version accompanied by a request to delete the previous e-mail.
After R has deleted the previous e-mail, he/she becomes aware that the current
e-mail contains only the corrected file, and nothing else.
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IT-Baseline Protection Manual: Oktober 2000