Patent ID: 11941129
Assignee: CAPITAL ONE SERVICES, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. A non-transitory computer readable medium including instructions for causing a processor to perform operations for device fingerprinting, the operations comprising:
receiving, at a first time and from an application, a first plurality of device attributes identifying a client device on which the application is being used, wherein the first plurality of device attributes comprises first device identification data and a total number of contacts in a first user's contact list;
receiving, at a second time and from the application, an indication that a user is attempting to perform a transaction using the application on the client device;
requesting, in response to receiving the indication, a second plurality of device attributes identifying the client device on which the application is being used, wherein the second plurality of device attributes is different than the first plurality of device attributes and comprises second device identification data and a total number of contacts in a second user's contact list;
receiving, in response to requesting the second plurality of device attributes, the second plurality of device attributes;
comparing the second plurality of device attributes to the first plurality of device attributes; and
determining, based on the comparing the second plurality of device attributes to the first plurality of device attributes, a device risk score indicating whether the user is authorized to perform the transaction using the application.