Data tampering attack detection method and system for binary quantization FIR (Finite Impulse Response) system

Abstract

The invention discloses a binary quantization FIR system-oriented data tampering attack detection method and system, and relates to the technical field of network security. Comprises: an input node obtains system input data; inputting the system input data into the FIR system to obtain an FIR system output; the binary sensor measures the output of the FIR system to obtain a measurement result; transmitting a measurement result to a data center through a communication network; the data center detects the data transmission process through the received data to obtain a detection result; wherein the detection result is whether the data transmission process of the communication network is attacked or not. According to the method, a detection algorithm is designed to judge whether a system is attacked or not, an online form of the algorithm is given, and meanwhile, the performance of the algorithm is analyzed, including calculation of a misjudgment rate and a missed judgment rate and the relation between the misjudgment rate and the data length and between the misjudgment rate and the data length and between prior information of system parameters and an attack strategy.

Description

technical field [0001] The present invention relates to the technical field of network security, in particular to a data tampering attack detection method and system for a binary quantization FIR system. Background technique [0002] CPS (Cyber-Physical System, Cyber-Physical System) is an emerging technology that integrates computing, communication and physical equipment. It has been widely used due to its strong robustness, high reliability and fast running speed. For example, in smart transportation, CPS is used to design virtual traffic control system to realize the concept of zero-death highway; in medical treatment, CPS is used in telemedicine, online diagnosis, etc. to achieve timely disease diagnosis and prevention. In fields such as basic industry and the military, the increasing autonomy of CPS makes its application more and more common. Due to the close interaction between CPS computation, perception, communication and actuation, it is extremely vulnerable to cyb...

AI Technical Summary

Problems solved by technology

Data tampering attacks affect the estimation / control center of the CPS by modifying the data transmitted in the network, making it make wrong judgments or decisions, so that wrong instructions can cause problems or even damage to the execution of physical devices

This type of attack is often difficult to be identified by the existing intrusion detection system, so it can secretly invade the CPS system and affect the stable operation of the CPS

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