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Defense method and device for industrial Internet of Things

An industrial Internet of Things and data packet technology, applied in the field of network security, can solve problems such as the inability to effectively prevent network attacks, and achieve the effects of improving credibility, ensuring security, and ensuring security

Active Publication Date: 2021-04-09
山东云天安全技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present application provides a defense method and device for the Industrial Internet of Things to solve the problem that the existing Internet of Things defense methods cannot effectively prevent network attacks

Method used

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  • Defense method and device for industrial Internet of Things
  • Defense method and device for industrial Internet of Things
  • Defense method and device for industrial Internet of Things

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Embodiment Construction

[0029] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below with reference to the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0030] The existing defense method of the Industrial Internet of Things is to improve the security of the network and its applications through a multi-layered defense system such as firewalls, security gateways, access control, intrusion detection, virus detection, and data encryption. However, the network security incidents that ...

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Abstract

The invention discloses a defense method and a defense device for an industrial Internet of Things, which are used for solving the problem that the defense method for the industrial Internet of Things cannot effectively prevent network attacks. The method comprises the following steps: monitoring a TCP connection process in the industrial Internet of Things to obtain an abnormal data packet; comparing with a preset risk database, and determining that new potential safety hazards exist under the condition that comparison results are different; counting node addresses having no communication relationship with the first attacked node as a first set; wherein a node address having a connected relationship with the first attacked node is used as a second set; and under the condition of determining that the attacker adopts the blind scanning strategy, selecting a first target address in the first set, and under the condition of determining that the attacker adopts the non-blind scanning strategy, selecting the first target address in the second set so as to replace the address of the first attacked node. Through the method, the defense capability of the industrial Internet of Things can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of network security, and in particular, to a defense method and device for the Industrial Internet of Things. Background technique [0002] With the continuous development of IoT technology, it has been popularized in various fields. In particular, the wide application of the Industrial Internet of Things in the industrial field has greatly improved industrial production efficiency and product quality. However, with more and more open network connections and more and more data and information interaction, industrial control systems, networking equipment, and industrial cloud platforms are vulnerable to malicious network attacks. As a result, data leakage, production interruption, capital loss and other consequences of industrial manufacturing enterprises are caused. [0003] Existing IoT defenses typically use firewall technology and intrusion detection technology to monitor the network in real t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08G16Y10/25G16Y30/10G16Y40/10G16Y40/50
CPCG16Y10/25G16Y30/10G16Y40/10G16Y40/50H04L63/1425H04L67/14
Inventor 李峰张俭锋赵慧奇王绍密和希文肖峰
Owner 山东云天安全技术有限公司
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