User risk level determining method and equipment

The invention is applicable to the technical field of information processing and provides a user risk level determining method and equipment. The method comprises the following steps: receiving user information of a to-be-recognized user; matching the user information with each keyword in a keyword dictionary, and determining a keyword sequence of the to-be-recognized user; determining a matchingdegree between the to-be-recognized user and each recognized user according to the keyword sequence and a keyword sequence of each recognized user in a user database, and selecting a recognized user of which the matching degree is higher than a preset matching degree threshold as an associated user of the to-be-recognized user; creating a user relationship network by taking the to-be-recognized user as a center based on the associated user, and marking abnormal users included in the user relationship network; determining the risk level of the to-be-recognized user according to the quantity ofthe abnormal users in the