Patent ID: 8875291

Claim:
A network virtual user risk control method, comprising: retrieving raw association data of a first virtual user and raw association data of a second virtual user, the raw association data comprising multidimensional data, and data relating to each dimension being capable of identifying a user and serving as an association dimension, wherein one of the first virtual user and the second virtual user is deemed to be a malicious user; based on the raw association data of the first virtual user and the second virtual user, computing at least one association value between the first virtual user and the second virtual user for an association dimension; gathering the at least one association value of the association dimension to obtain a degree of real association between the first virtual user and the second virtual user; determining whether the degree of real association between the first virtual user and the second virtual user exceeds a predetermined threshold value; and determining that the other of the first and second virtual users is a malicious user.