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Vulnerability detection method and device for a deep learning system

A deep learning and vulnerability detection technology, applied in the field of deep learning, to achieve the effect of improving detection efficiency, wide application scenarios, and improving neuron coverage

Active Publication Date: 2020-05-19
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Embodiments of the present invention provide a method and device for detecting vulnerabilities in a deep learning system to solve problems existing in existing white-box testing methods

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  • Vulnerability detection method and device for a deep learning system
  • Vulnerability detection method and device for a deep learning system
  • Vulnerability detection method and device for a deep learning system

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0024] Since the deep learning system usually first defines the neural network structure manually, and then trains its internal weights through the stochastic gradient descent method, the final output of the system is determined by the weights, so one of the reasons for its loopholes is that some weight values ​​are abnormal. . However, the curre...

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Abstract

Embodiments of the present invention provide a method and device for detecting vulnerabilities in a deep learning system, wherein the method includes: selecting and activating several neurons from the deep learning system to be tested, guided by maximizing neuron coverage; The tensor expression of the element, and the tensor expression of the prediction difference of the deep learning system to be tested, construct an optimization function, and obtain several disturbances by maximizing the optimization function; if any disturbance in the several disturbances satisfies the preset condition, the detection sample is obtained based on the disturbance, and the vulnerability of the deep learning system to be tested is detected through the detection sample. The method and device provided by the embodiments of the present invention can effectively improve the neuron coverage rate, make the detection process more complete, and only need a deep learning system, so that the application scenarios of the vulnerability detection method are more extensive. In addition, a large number of samples can be generated, The detection efficiency of the vulnerability of the deep learning system to be tested is improved.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of deep learning, and in particular, to a method and device for detecting vulnerabilities in a deep learning system. Background technique [0002] Currently, deep learning techniques are increasingly used in safety-related fields, such as autonomous driving and malware detection. The requirements for predictability and correctness in the above application fields have brought new challenges to the wide application of deep learning technology. Due to training data bias, model overfitting, etc., deep learning systems often exhibit unexpected or incorrect behavior in edge cases. In a security-critical environment, such incorrect behavior can lead to disastrous consequences. Therefore, the software security technology of the deep learning system is very important, which can effectively discover potential problems and defects in the deep learning system and ensure the reliability of the sys...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/57G06N3/04G06N3/08
CPCG06F21/577G06N3/08G06F2221/034G06N3/045
Inventor 赵越郭建敏姜宇顾明孙家广
Owner TSINGHUA UNIV
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