No Billing Address for Credit Card Transaction

[brookwoodmed]

So I get these occasional fraud alerts. Why do they not have the billing  address to verify the payment?

For example missing the billing address of the credit card was not available?
Some characteristics of this order are similar to fraudulent orders observed in the past
Neutral
Billing address or credit card's address wasn't available
Neutral
Billing address ZIP or postal code isn't available to match with credit card's registered address