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Security risk assessment method and apparatus

A security risk and network element technology, applied in the field of security risk assessment methods and devices, can solve the problems of inability to prevent and warn of security risks, cannot effectively determine security risk-prone nodes, and effectively locate network elements, etc., to achieve security risk Evaluate and support the effectiveness of effective targeting

Inactive Publication Date: 2014-04-09
STATE GRID CORP OF CHINA +2
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  • Description
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AI Technical Summary

Problems solved by technology

The overall assessment of the entire system plays an important role in the security and stability of the entire system. However, the assessment method in related technologies cannot effectively determine the security risk-prone nodes, nor can it accurately prevent and warn possible security risks.
[0005] Aiming at the problem that it is difficult to effectively locate network elements that are prone to security risks in the overall evaluation method based on the power communication backbone circuit system in related technologies, no effective solution has been proposed so far

Method used

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  • Security risk assessment method and apparatus
  • Security risk assessment method and apparatus
  • Security risk assessment method and apparatus

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Embodiment Construction

[0033] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0034] The steps shown in the flow diagrams of the figures may be implemented in a computer system, such as a set of computer-executable instructions, and, although a logical order is shown in the flow diagrams, in some cases, may be executed differently from this The steps shown or described are performed in the order shown or described. For example, the order of step S102 and step S104 in the following embodiments can be exchanged.

[0035] This embodiment provides a security risk assessment method, figure 1 is a schematic flowchart of a security risk assessment method according to an embodiment of the present invention, such as figure 1 As shown, the process includes the following steps:

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Abstract

The invention discloses a security risk assessment method and apparatus. The method comprises determining a vulnerability index of a network element based on an evaluation index of the network element of an electric power communication main trunk circuit, wherein the vulnerability index is used for indicating the probability that the network element is affected by a threat event; determining an importance index of the network element based on the importance of one or more services borne by the network element and the number of one or more services respectively borne by the network element; and determining a security risk index of the network element based on the vulnerability index and importance index of the network element. According to the invention, the problem in the prior art that an electric power communication main trunk circuit system-based integral evaluation mode has difficulty in effectively locating the network element which is easy to have security risks is solved, so that the security risk assessment of the network element in the electric power communication main trunk circuit is realized and the effective locating of the network element which is easy to have security risks is facilitated.

Description

technical field [0001] The present invention relates to the field of electric power communication, in particular to a safety risk assessment method and device. Background technique [0002] The smart grid is a new type of grid formed by highly integrating modern advanced sensor measurement technology, communication technology, information technology, computer technology and control technology with the physical grid based on the physical grid. It has six characteristics of self-healing, security, compatibility, high efficiency, high quality and integration. As an important support system for the smart grid to realize real-time information and power exchange, the security of the power communication network has become an important guarantee for the safe, reliable and economical operation of the smart grid. [0003] The electric power communication network is composed of multiple sub-networks such as transmission, exchange, and data, and is a multi-technical and multi-level com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24
Inventor 李海龙王蔚青赵育良赵元珍贾昆王华李鹏飞杨兴王亚微刘培玲
Owner STATE GRID CORP OF CHINA
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