| CARD_FRAUD | Verifies whether the cardholder's card number is on the card greylist. |
| SUSPECT_COUNTRY | Verifies whether the cardholder's card number is on the list of forbidden countries. |
| IP_FRAUD | Verifies whether the cardholder's IP address is on the IP greylist. |
| CREDIT_LIMIT | Verifies the purchase frequency and amounts for the same card number, or the maximum amount of an order. |
| BIN_FRAUD | Verifies whether the BIN code of the card is on the greylist for BIN codes. |
| ECB | Verifies whether the buyer's card is an "e-carte bleue". |
| COMMERCIAL_CARD | Verifies whether the buyer's card is a corporate credit card. |
| SYSTEMATIC_AUTO | Verifies whether the buyer's card is a MAESTRO or VISA ELECTRON credit card. |
| INCONSISTENT_COUNTRIES | Verifies whether the country of the IP address, the country of the payment card and the country of residence of the buyer match. |
| NON_WARRANTY_PAYMENT | Verifies the liability shift of the transaction. |
| SUSPECT_IP_COUNTRY | Verifies whether the cardholder's country, identified by his/her IP address, is on the list of forbidden countries. |
