Patent ID: 11861003
Assignee: INTUIT INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. A system, comprising:
a memory having executable instructions stored thereon; and
a processor configured to execute the executable instructions in order to cause the system to:
generate a vector representation of a user identifier, wherein generating the vector representation of the user identifier comprises generating a two-dimensional matrix including a one-hot representation of each character in the user identifier;
generate, using a first machine learning model and the vector representation of the user identifier, a fingerprint representative of the user identifier, wherein the first machine learning model comprises a classifier neural network trained to classify the generated fingerprint as fraudulent or legitimate;
generate, using the first machine learning model and the generated fingerprint, a score describing a likelihood that the user identifier corresponds to a fraudulent user identifier;
identify one or more similar user identifiers based on the generated fingerprint and a second machine learning model, wherein:
the second machine learning model comprises a clustering machine learning model, and
in order to identify the one or more similar user identifiers, the processor is configured to cause the system to identify user identifiers having fingerprints a threshold distance away from the generated fingerprint; and

take one or more actions within a computing system relative to a user associated with the user identifier based on the generated score and the identified one or more similar user identifiers.