Risk model training method and device, computer equipment and readable storage medium

A training method and risk model technology, applied in computer parts, calculation, character and pattern recognition, etc., can solve problems such as poor accuracy, illegal user utilization, and strict risk rule formulation, to avoid hysteresis and risk identification. Efficient and accurate results
CN113139876APending Publication Date: 2021-07-20PINGAN YIQIANBAO E COMMERCE CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
PINGAN YIQIANBAO E COMMERCE CO LTD
Publication Date
2021-07-20

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Abstract

The invention relates to the field of business security of computer security, and discloses a risk model training method and device, computer equipment and a readable storage medium, and the method comprises the steps: obtaining long-term historical data through a long-term extraction rule, and obtaining recent historical data through a recent extraction rule; summarizing the long-term historical data and the recent historical data to obtain comprehensive training data; adjusting data volumes of long-term historical data and short-term historical data in the comprehensive training data, and adjusting a positive-negative proportion between a sum of a long-term positive sample and a short-term positive sample in the comprehensive training data and a sum of a long-term negative sample and a short-term negative sample in the comprehensive training data to obtain comprehensive adjustment data; and training the initial intelligent model through comprehensive adjustment data to obtain a mature model. The invention further relates to a block chain technology, and information can be stored in a block chain node. According to the invention, the risk identification efficiency is high, the accuracy is high, and the problems that experience and rules become vulnerabilities and normal users are identified as risk users are avoided.
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Description

technical field

[0001] The present invention relates to the technical field of computer security business security, in particular to a risk model training method, device, computer equipment and readable storage medium. Background technique

[0002] With the continuous development of Internet technology, major financial and technology companies have launched Internet wealth management products through APPs that are closer to the lives of ordinary people. Compared with traditional stock funds and securities, Internet wealth management products have unique advantages and are especially suitable for this market. Young people with little money and high liquidity are deeply loved by young people.

[0003] However, Internet wealth management products face some risks that cannot be ignored, such as: identity theft for registration, stealing other people’s account transactions, and users being cheated, etc. Since the operation of Internet wealth management products is generally only ...

Claims

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