Store Warning Messages
From Spiffy Stores Knowledge Base
If Spiffy Stores notices a potentially suspicious order that's been placed in your online store, it will display a warning on the order page in your Store Toolbox. Such a warning does not necessarily mean the order is fraud, only that some aspect of the order fits the profile of a potentially fraudulent transaction or may be part of a suspicious pattern.
For example, if someone has placed large orders from five different stores with five different credit card numbers, future orders from that person would probably be marked suspect. But, this doesn't necessarily mean there is a problem with the order; it could just be a someone with a lot of credit cards on a shopping spree.
So remember, the warnings are simply to let you know that a problem might exist. When Spiffy Stores identifies an order as a suspect order, it means that there is some attribute of the order that may indicate a heightened risk of fraud... but it still could be legitimate.
When you get a warning message when viewing an order, or you notice yourself that it has some of the signs of fraud, be sure to check the order carefully and try phoning the person before shipping.