Patent ID: 11886597
Assignee: DATA VISOR, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. A fraud detection system comprising:
one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising:
identifying one or more potential clusters of malicious accounts;
for each cluster, processing a collection of content associated with each account of the cluster, the processing comprising applying a plurality of models in series to determine whether the collection of content indicates a common pattern, the applying the plurality of models in series comprising:
applying a plurality of instances of a single user model to respective portions of the collection of content,
applying a multi-users model to the output of the plurality of instances of the single user model, and
applying a group model to the output of the multi-users model; and

based on the respective determinations, classifying the accounts of each cluster as either ordinary or suspicious.