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If
we see a credit sale, where the card has been
swiped, followed by one or more sales where the
card number has been manually entered, it may
well indicate credit card fraud.
A highly suspicious pattern emerges: the same
employee has run up a number of credit card sales,
all of which (except the first) were manually
entered. Note also that these were all on
the same Account Number.
No longer just suspicious: we have uncovered a
case of fraud.
Now we are in the position to apprehend the employee,
and also to make the appropriate adjustments to
the customer's account, before we lose a customer.
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