Security Policy System of Electric Power Information System Based on Qualification Trace and Online Update

Abstract

The invention discloses a security policy system for a power information system based on a qualification trace and an on-line update type. The security policy system comprises a device network, a plurality of attack agents and a plurality of defense agents, wherein the plurality of attack agents simultaneously attack the device network, the plurality of defense agents simultaneously defend the plurality of attack agents, the goal of the attack agents is to invade an important computer device from a common computer device, and the goal of the defense agents is to prevent the important computerdevice from being invaded. In the confrontation process, the defense capability of the defense agents against a certain type of attack can be improved by increasing defense values. As the defense values increase, a specific type of intrusion of the attack agents into a node is increasingly difficult, and the convenience for other computer nodes to use the service of the computer node also declines. Therefore, the overall defense value of the whole power information system is smaller than or equal to a preset value. By simulating the confrontation, an optimal security strategy is obtained withminimal defense cost.

Description

technical field [0001] The invention relates to the field of power information system security, in particular to a power information system security policy system based on qualification traces and online updating. Background technique [0002] The power information system is an important guarantee for the existence of today's society. A safe and stable power information system is the basic guarantee of power supply. With the development of society, the power consumption of the whole society is constantly increasing, which makes the power information system more and more complex. Therefore, the power information system also needs to be continuously upgraded and improved to meet the growing demand. While the functions of the power information system are becoming more and more powerful, the scale of the power information system is also becoming larger and larger. Facing the increasingly complex power information system, how to effectively guarantee the security and stability ...

AI Technical Summary

Problems solved by technology

However, as the scale of the power information system continues to increase, there will be more and more unknowns and uncertainties in the power information system. These unknowns and uncertainties will change dynamically with the change of the power information system. Therefore, research It is difficult for personnel to reasonably allocate the computing resources of the power information system in advance, and the prepared power information system security protection mechanism cannot be applied to the actual situation

In addition, in the face of the complex power information system environment, it is difficult for maintenance personnel to quickly find the cause of the failure after encountering an unexpected problem

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