Authenticating a card based on card movement

A system comprising:

• a card reader that captures financial account information from a card issued to a user;
• a sensor that captures movement data associated with a card movement gait of the card in relation to the card reader;
• a correlator that compares the card movement gait to a known card gait data unique to the user to create a comparison result;
• and
• an authenticator that validates the user based on the comparison result of the card movement gait with the known card gait data, wherein validation of the user allows a financial transaction associated with the card to proceed.

A method, comprising:

• executing, on an electronic device processor, instructions that cause the electronic device processor to perform operations associated with authentication, the operations comprising:
• sensing card movement associated with a physical presentation of a card moving within a proximity of a card reader device;
• capturing card movement data that represents the card movement;
• comparing the card movement data to pre-stored card movement data associated with a card owner to create a comparison result;
• and
• authenticating the card owner based on the comparison result and a predetermined threshold, wherein the predetermined threshold is based on a type, amount, or timing of a financial transaction.