We got hit with several fraud orders that had matching shipping and billing addresses. We now have to vet each and every order. We found the one thing that was always bogus was the phone number. I have to use this text code for 2 factor authorization on a majority of web pages i use. We need this for AbleCommerce. Maybe they already ready have something that can be plugged in. I found a 6 year old thread that web2market had a plugin but its not on their webpage anymore.

Maybe others have other solutions they are using. Auth.net fraud detection is no better than the way we manually vet orders now. Especially since up until now the shipping and billing addresses was the biggest indicator. They have found out how to beat that.