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Early warning method and device for network fraud, and computer equipment

A kind of equipment and network technology, applied in the field of computer information processing, can solve the problems of poor versatility, unstable model, short application time of model prediction, etc., and achieve the effect of optimizing the model structure

Pending Publication Date: 2021-11-09
SHANGHAI QIYUE INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the following technical problems: in the case of telecommunications or network fraud, due to the hysteresis of relevant information data and data response hysteresis, the application time of model prediction is short, the versatility is poor, and the model is unstable, etc.

Method used

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  • Early warning method and device for network fraud, and computer equipment
  • Early warning method and device for network fraud, and computer equipment
  • Early warning method and device for network fraud, and computer equipment

Examples

Experimental program
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Embodiment 1

[0045] Below, will refer to Figure 1 to Figure 3 Embodiments of the early warning method for network fraud of the present invention are described.

[0046] figure 1 It is a flow chart of the network fraud early warning method of the present invention. Such as figure 1 As shown, the early warning method includes the following steps.

[0047] Step S101 , establishing and training a plurality of basic models for scoring the tendency to be deceived, each of which can predict the tendency to be deceived of the associated user of the user equipment according to the characteristics of the user equipment.

[0048] Step S102, monitor the associated user equipment of the user who has been cheated within a specific time period recently, and use the deception tendency score of each base model for the associated user equipment and the characteristics of the user equipment used by each base model as candidate variables.

[0049] In step S103, the candidate variables are screened accord...

Embodiment 2

[0134] An apparatus embodiment of the present invention is described below, and the apparatus can be used to execute the method embodiment of the present invention. The details described in the device embodiments of the present invention should be regarded as supplements to the above method embodiments; details not disclosed in the device embodiments of the present invention can be implemented by referring to the above method embodiments.

[0135] refer to Figure 4 , Figure 5 and Figure 6 , the present invention also provides a network fraud early warning device 400, the early warning device 400 includes: a processing module 401, used to establish and train a plurality of basic models of the tendency to be deceived, each of which can be based on user equipment The feature predicts the deception tendency of the associated user of the user equipment; the monitoring module 402 is used to monitor the associated user equipment of the user who has been deceived within a specifi...

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Abstract

The invention provides an early warning method and device for network fraud, and computer equipment. The method comprises the following steps: establishing and training a plurality of base models for cheating tendency score, wherein each base model is used for predicting the cheating tendency of an associated user of user equipment; monitoring associated user equipment of a deceived user in a recent specific time period, and determining candidate variables; screening the candidate variables according to the influence degree of each candidate variable on the deceived result to obtain a target base model and target user equipment characteristics; obtaining features of a new access device, and carrying out similarity and cheating tendency score calculation; and carrying out early warning of telecommunication or network fraud according to the similarity of the new access equipment and the deceiving tendency score. Compared with the prior art, whether telecommunication or network fraud early warning is carried out on the new access equipment or not can be accurately judged, and a user can be reminded in advance to avoid telecommunication or network fraud.

Description

technical field [0001] The invention relates to the field of computer information processing, in particular to a network fraud early warning method, device and computer equipment. Background technique [0002] Risk control (referred to as risk control) means that risk managers take various measures and methods to eliminate or reduce the various possibilities of risk cases, or risk controllers reduce the losses caused by risk cases. Risk control is applied to the Internet industry, such as risk control for company transactions, business transactions or personal transactions. [0003] In recent years, the e-commerce and communication information industries have developed rapidly, and personal information may be leaked almost anytime and anywhere. The leakage of personal information provides a hotbed for criminals to conduct online fraud. Due to the different channels and forms of information leakage and the content and granularity of information leakage in different time per...

Claims

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Application Information

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IPC IPC(8): G06K9/62G06N3/04G06N3/08
CPCG06N3/08G06N3/045G06F18/22G06F18/214
Inventor 陈雪清孙涛
Owner SHANGHAI QIYUE INFORMATION TECH CO LTD
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