Reply to post: Missing the point

Container ship loading plans are 'easily hackable'

Chris Malme
FAIL

Missing the point

While amusing to ponder, the research misses the point somewhat. There is nothing "secure" about the message itself. Security is provided by the method used to send/receive the message. While there are no doubt systems somewhere that still send such data in the clear, all EDI systems I have worked with in recent years use some kind of secure protocol for communications.

As for that "easily hackable" UNT segment. It was never intended as a precaution against intentional manipulation, but simply as a check-sum against communications problems, back in the days where everything was done via modem, and partial transmission of messages was possible should problems occur.

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