US Patent 10997573 Verification of portable consumer devices

Embodiments of the invention are directed to methods, systems, and computer program products pertaining to obtaining, providing, and using dynamic card verification values for portable consumer devices, such as credit cards and debit cards. An exemplary method comprises receiving, at a server, a request for a device verification value for a portable consumer device associated with a user; obtaining, at the server, a datum indicative of a device verification value for a portable consumer device; and sending, from the server, the datum to at least one of a phone number or network address of a personal communication device associated with the user.