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Method and device for detecting gang fraud based on graph model and storage medium

A graph model and gang technology, applied in the network field, can solve problems such as difficult to identify gangs and fraud, and achieve the effect of improving data processing capabilities and large-scale data processing capabilities

Pending Publication Date: 2019-07-30
BEIJING SANKUAI ONLINE TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The present disclosure provides a method, device, and storage medium for detecting gang fraud based on a graph model, so as to solve the technical problem that it is difficult to identify gang fraud in the related art

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  • Method and device for detecting gang fraud based on graph model and storage medium
  • Method and device for detecting gang fraud based on graph model and storage medium
  • Method and device for detecting gang fraud based on graph model and storage medium

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Embodiment Construction

[0088] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0089] Fraud detection is critical today in response to attacks that are ubiquitous. After investigation, in related technologies, the following types are mainly used for financial fraud detection, and there are various defects, which are summarized as follows:

[0090] The method based on blacklist, blacklist and credit database search requires occasional maintenance and addition of new blacklist, blacklist or reputation database content. This maintenance method is relatively expensive, such as third-party paid data purchase, and the response and coverage of the method are limited.

[0091] The method based on the rule engine, the method of online financial...

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Abstract

The invention relates to a method and a device for detecting gang fraud based on a graph model and a storage medium. The method and device are used for solving the technical problem that gang fraud isdifficult to identify in the related technology. The method for detecting gang fraud based on the graph model comprises: acquiring user basic data and historical suspected user data; generating a user association graph according to the acquired data; wherein the nodes of the user association diagram are user association sub-diagrams generated according to data characteristics, and the edge weightof the user association diagram comprises the similarity of the nodes; generating a gang set to be judged by utilizing a community division algorithm based on the user association diagram; calculating the suspicion degree of the gang set to be judged; and outputting the judgment result of the gang to be judged according to the calculation result.

Description

technical field [0001] The present disclosure relates to the field of network technology, in particular, to a method, device and storage medium for detecting group fraud based on a graph model. Background technique [0002] The financial sector has high requirements for transaction risk control, and it is necessary to ensure the security of capital transactions. In practical applications, there may be some fraudulent behavior. For example, fraudsters lure many ordinary consumers to transfer money to them, but do not return the corresponding returns to these consumers in order to make profits. In order to identify the above-mentioned fraudulent behaviors, identify high-risk fraudsters, and take measures to avoid the loss of consumers' funds, transaction models can be used to identify fraudsters, for example, to characterize a payment account as a fraudster's account, Funding transactions made by fraudster accounts are characterized as risky transactions. Contents of the i...

Claims

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Application Information

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IPC IPC(8): G06Q20/40
CPCG06Q20/4016
Inventor 黄剑飞陈振
Owner BEIJING SANKUAI ONLINE TECH CO LTD
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