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User request detection method, device, computer equipment and storage medium

A technology of user requests and detection methods, applied in the financial field, can solve problems such as difficult classification features, reduce the accuracy of detecting abnormal behaviors, and poor models, so as to improve accuracy, avoid one-sided problems, and reduce inaccuracies.

Active Publication Date: 2022-05-13
PING AN TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the data of the eye version are basically nominal attributes, only a small number of data are numerical. For the data of nominal attributes, it is difficult to mine effective classification features, resulting in poor models, which in turn reduces the accuracy of detecting abnormal behaviors.

Method used

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  • User request detection method, device, computer equipment and storage medium
  • User request detection method, device, computer equipment and storage medium
  • User request detection method, device, computer equipment and storage medium

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Embodiment

[0071] Those skilled in the art can understand that the "terminal" and "terminal equipment" used here not only include wireless signal receiver equipment, which only has wireless signal receiver equipment without transmission capabilities, but also include receiving and transmitting hardware. A device having receiving and transmitting hardware capable of performing bi-directional communication over a bi-directional communication link. Such equipment may include: cellular or other communication equipment, which has a single-line display or a multi-line display or a cellular or other communication equipment without a multi-line display; PCS (Personal Communications Service, personal communication system), which can combine voice, data Processing, facsimile and / or data communication capabilities; PDA (Personal Digital Assistant, Personal Digital Assistant), which may include radio frequency receiver, pager, Internet / Intranet access, web browser, notepad, calendar and / or GPS (Globa...

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Abstract

The embodiment of the present invention discloses a user request detection method, device, computer equipment and storage medium, including the following steps: acquiring the equipment data of the terminal sending the user request; According to the type of the feature set, the feature set is input into multiple anomaly detection models, and the detection result for judging whether the user request is abnormal is obtained, and the preset judgment is adopted The method judges the detection result to determine whether the user request is abnormal, and the abnormality detection model is a detection model that is trained to a convergence state by using a positive sample or a negative sample feature set in advance, and is used to classify the security of the terminal through the feature set . In this method, a feature set is constructed for text-type device data with nominal attributes, and an effective classification feature set can be mined to improve the accuracy of recognition.

Description

technical field [0001] The embodiments of the present invention relate to the financial field, in particular, a method, device, computer equipment, and storage medium for detecting user requests. Background technique [0002] With the development of Internet technology, the network plays an increasingly important role in people's work, life and study. In order to ensure the user's network security, it is necessary to detect whether there is any abnormality in the network user from time to time. Abnormal behavior refers to the behavior that affects the normal operation of the network. [0003] Usually, when detecting whether there is an anomaly in a user, the result is usually inaccurate due to a poor detection model. For example, when sending a user registration request or a verification request, the server obtains the device data of the terminal as sample data, and uses the sample data to build a model. However, since the data of the eye version are basically nominal att...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/40H04L41/14
CPCH04L9/40
Inventor 黎立桂
Owner PING AN TECH (SHENZHEN) CO LTD