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A Physical Fingerprint-Based Intrusion Detection and Localization in Fieldbus Network 4

A Physical Fingerprint-Based Intrusion Detection and Localiz...

引用

4th International Seminar on Artificial Intelligence, Networking and Information technology, AINIT 2023

作者： Qiu, Shenjian Fei, Jiaxuan Yang, Hao Xiao, Yongcai Zhang, Xiaojian State Grid Smart Grid Research Institute Co LTD State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing China State Grid Jiangxi Electric Power Research Institute Nanchang China

ISBN: (纸本)9798350314526

The security of fieldbus networks is of utmost importance for industrial control systems. Within fieldbus networks, masquerade attacks and illegal device intrusions are two prevalent forms of attacks. The detection of these attacks is particularly challenging due to the sophisticated masquerading and deception techniques employed by attackers. To address the challenges of masquerade attacks and illegal device intrusions in fieldbus networks, this paper presents an intrusion detection and localization method based on physical fingerprints. The method involves constructing a physical fingerprint model for each device by collecting voltage signals transmitted in the fieldbus network and extracting relevant time-domain and frequency-domain features from these signals. Additionally, a predictive score detection mechanism is proposed, incorporating a multi-label SVM classification model to accurately identify masquerade attacks and illegal device intrusions within the network. Furthermore, the method utilizes differential delay features to estimate the location of the illegal intrusion device. To validate the effectiveness of the proposed method, it has been implemented on a CAN bus prototype, providing empirical evidence of its validity. © 2023 IEEE.

关键词： Frequency domain analysis

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power Terminal Identity Authentication Scheme for Disaster Recovery Environment 3

Power Terminal Identity Authentication Scheme for Disaster R...

引用

3rd Guangdong-Hong Kong-Macao Greater Bay Area Artificial Intelligence and Big Data Forum, AIBDF 2023

作者： Chen, Lu Ma, Yuanyuan Zhang, Tao State Grid Smart Grid Research Institute Co. Ltd Nanjing210003 China State Grid Laboratory of Power cyber-Security Protection and Monitoring Technology Nanjing210003 China

ISBN: (纸本)9798400716362

In order to ensure the trusted access of power collection terminals in a disaster recovery environment, this paper proposes a cross-domain authentication scheme based on blockchain. Firstly, an improved PBFT algorithm based on reputation value election is designed, which increases the calculation of node reputation value and improves the dynamic addition and removal of consensus nodes and the election of master nodes based on node reputation value and failure conditions. Then, a cross-domain authentication model for power collection terminals based on blockchain is constructed. The blockchain certificate format and cross-domain authentication protocol are designed, and the security and efficiency are analyzed. The analysis results show that the scheme has security properties such as resistance to distributed attacks, and the communication overhead is lower than that of the traditional PBFT algorithm. © 2023 Copyright held by the owner/author(s).

关键词： Blockchain

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Enhancing Cross-Domain Access Efficiency in Zero-Trust Scenarios Oriented to the Access Process

Enhancing Cross-Domain Access Efficiency in Zero-Trust Scena...

引用

2025 International Conference on Electrical Automation and Artificial Intelligence, ICEAAI 2025

作者： Li, Xian Zhang, Shijun Zeng, Jing Li, Shuo Yang, Ruxia State Grid Jibei Information & Telecommunication Company State Grid Beijing China State Grid Laboratory of Power cyber Security Protection and Monitoring Technology China Electric Power Research Institute Nanjing China

ISBN: (纸本)9798331506797

During cross-domain access, both communication ends need zero-trust evaluation by the trust assessment node and policy matching for permission. Nodes handling these may face concurrent computing and policy search tasks that need to be performed. We propose a new method to enhance security and efficiency. By introducing a trust hash value from access-end features and optimizing the policy tree, along with a better trust calc method, experiments show improved cross-domain access efficiency and accuracy, offering a new view for power grid services. © 2025 IEEE.

关键词： Cross-Domain New power system Trust assessment Zero trust

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Lightweight Blockchain-based Identity Authentication Scheme for power Terminal 3

Lightweight Blockchain-based Identity Authentication Scheme ...

引用

3rd International Conference on Electrical Engineering and Control Science, IC2ECS 2023

作者： Chen, Lu Zhang, Tao Ma, Yuanyuan Dai, Zaojian State Grid Smart Grid Research Institute Co. Ltd Nanjing210003 China State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing210003 China

ISBN: (纸本)9798350382426

In recent years, the construction of the power Internet of Things continues to advance, and the number of power terminal equipment is growing. However, the computing power and storage capacity of these terminal devices are limited, and the current blockchain-based identity authentication scheme has high requirements for computing and storage resources, limiting the participation of power terminal equipment with weak computing power and small storage space. Aiming at the problem that resource-limited power terminal equipment cannot join the blockchain, a lightweight consensus algorithm for power terminals is proposed, and a power terminal authentication scheme based on the lightweight consensus algorithm is designed to make up for the defect that resource-limited power terminal equipment does not support the use of blockchain. The security analysis shows that the scheme can effectively resist many kinds of network attacks and meet the security requirements of power terminal equipment. Performance analysis shows that the scheme has low computation cost and conforms to the principle of lightweight. © 2023 IEEE.

关键词： Blockchain Identity Authentication power Terminal

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RRDD: An ATT&CK-based ICS Network security Risk Assessment Method 23

RRDD: An ATT&CK-based ICS Network Security Risk Assessment M...

引用

2nd International Conference on Networks, Communications and Information technology, CNCIT 2023

作者： Wang, Yuman Wang, Wenhui Bai, Xiaoxue Hu, Bo Ge, Guangkai Qian, Kexiang State Grid Smart Grid Research Institute Co. Ltd Sgri Power Grid Digitizing Technology Department State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology China State Grid Liaoning Electric Power Supply Co. Ltd China School of Information and Communication Engineering Beijing University of Posts and Telecommunications State Grid Smart Grid Research Institute Co. Ltd Sgri Power Grid Digitizing Technology Department State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology China

ISBN: (纸本)9798400700620

The current network security situation of industrial control systems is becoming increasingly severe, and the ICS ATT&CK framework provides a unified knowledge base for attack tactics and techniques for industrial control system network security. This paper presents a RRDD model for network security risk assessment of ICS, which consists of four parts: Risk identification (R), Risk calculation (R), Defense strategy (D), and Defense measures (D). Risk identification is based on the ICS ATT&CK to analyze the network security risk assessment indicators of the ICS, to clarify the vulnerability of the industrial control system, the importance of assets, the threats faced and the existing mitigation measures. Risk calculation is based on the analysis results of risk assessment indicators, establishing a comparative judgment matrix to analyze the relative importance of each indicator, calculating the weight of each indicator, and calculating and grading the overall risk of ICS. Furthermore, the model adopts corresponding safety control strategies and measures based on the risk calculation results, and conducts closed-loop risk assessment and elimination. It can effectively evaluate and disposal the network security risks in ICS. © 2023 ACM.

关键词： Network security

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Deep Learning Based Wireless Device Identification Using RF Fingerprint 3

Deep Learning Based Wireless Device Identification Using RF ...

引用

3rd International Conference on Neural Networks, Information and Communication Engineering, NNICE 2023

作者： Lu, Ziang Wang, Tengyan Liu, Xin Li, Nige State Grid Smart Grid Research Institute Co. Ltd State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing China State Grid Shandong Electric Power Research Institute Jinan China

ISBN: (纸本)9798350335972

The wireless network physical layer identity authentication technology has received more and more attention due to its strong resistance to camouflage attacks. This work studies a physical layer method that uses radio frequency fingerprints to distinguish legitimate devices from illegal devices. This paper proposes the constellation trajectory generated by the fusion of three different length differential intervals of short, medium, and long as the device fingerprint to solve the problem that the traditional single differential interval constellation trajectory can not take into account the frequency offset resolution and the application range of frequency offset. The experimental results show that the fingerprint recognition accuracy of devices using multiple differential interval constellation trajectories is better than traditional methods. On this basis, we propose a radio frequency fingerprint identification method based on the twin neural network. Unlike most previous studies that model the identification problem as a classification problem, the algorithm proposed in this paper detects whether the device under test is a legitimate user device and can authenticate the legal device identity. The results show that the radio frequency fingerprint identification method for wireless devices based on the twin neural network can effectively and accurately identify legal users and illegal users. © 2023 IEEE.

关键词： Frequency allocation

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Research and Implementation of Multi Fusion Data Model Construction technology for Distribution Network Digital Twins 2nd

Research and Implementation of Multi Fusion Data Model Const...

引用

2nd World Conference on Intelligent and 3D Technologies, WCI3DT 2023

作者： Qiao, Junfeng Peng, Lin Zhou, Aihua Pan, Sen Yang, Pei Mao, Yanfang Zhu, Fuyun State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology State Grid Smart Grid Research Institute Co.LTD Jiangsu Nanjing210003 China Nantong Power Supply Company State Grid Jiangsu Electric Power Supply Co. LTD Jiangsu Nanjing210014 China

ISBN: (纸本)9789819970100

The core of digital twin is the digital reconstruction of physical space, that is the physical space perception and processed data are applied to the virtual space to achieve real-time mapping of physical space through full integration of data. With the rapid development of digital twin technology in the power field, in order to achieve the purpose of real-time data fusion of physical space and virtual space in the digital twin of distribution network, the virtual and real data fusion processing technology for digital twin has become the focus of research in the power field. In this paper, firstly, the characteristics and ontology technology of power digital twin virtual and real data are studied, and an ontology-based virtual and real data fusion architecture is proposed. Then, a semantic feature extraction method is proposed for the structured and unstructured virtual and real data of power digital twin, and the extracted semantic features are formatted, described, and stored. Then the overall architecture of the distribution network digital twin virtual real data fusion system is designed, the technical route of the system is analyzed and discussed, and the virtual real data fusion processing is completed using the similarity algorithm and fusion rules based on the elements between ontology. Finally, the functional modules of the distribution network digital twin virtual real data fusion system are divided and introduced, and the digital twin virtual real data fusion of the fan hub casting process is verified as an example. © 2024, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Data fusion

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Attack-Aware Capability Assessment Method Based on Specific Semantic Search 6

Attack-Aware Capability Assessment Method Based on Specific ...

引用

6th International Conference on Electronic Engineering and Informatics, EEI 2024

作者： Zhang, Daojuan Zhao, Qi Wang, Yuman Li, Shu Tian, Zheng Sun, Yizhen State Grid Smart Grid Research Institute co. Ltd State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Beijing China State Grid information & Communication Company of Hunan Electric Power Corporation Hunan Provincial Key Laboratory of Internet of Things in Electricity Hunan Changsha China

ISBN: (纸本)9798350353594

In this paper, we propose an attack perception capability assessment method based on the specific semantic search for the problem of attack perception capability assessment of security protection equipment for power monitoring systems. The method aims to improve the recognition and localization accuracy of common attacks by accurately correlating the output products of security equipment with the execution of attack test cases. The research employs an attack-specific semantic generation technique that combines attack attribute values with timestamps to form specific semantics for subsequent matching. Pattern matching algorithm, specifically the BM (Boyer-Moore) algorithm, is further utilized to match the specific semantics with the output products of the security device Snort to achieve attack localization. Experimental results demonstrate that Snort exhibits high accuracy in perceiving the majority of attack types and exhibits an enhanced perception rate compared to certain baseline methods. In summary, the method proposed in this paper effectively improves the sensing ability of security equipment to attacks on the power monitoring system and provides a new idea for the performance evaluation of security protection equipment. © 2024 IEEE.

关键词： attack awareness pattern matching power monitoring system specific semantics

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Low-Code Penetration Testing Payload Generation Tool Based on Msfvenom 3

Low-Code Penetration Testing Payload Generation Tool Based o...

引用

3rd International Conference on Advanced Manufacturing technology and Electronic Information, AMTEI 2023

作者： Li, Shu Tian, Zheng Sun, Yizhen Zhu, Hongyu Zhang, Daojuan Wang, Huiwen Wu, Qitian Hunan Provincial Key Laboratory of Internet of Things in Electricity State Grid Information & Communication Company of Hunan Electric Power Corporation Hunan Changsha China State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology State Grid Smart Grid Research Institute Co. Ltd. Beijing China

ISBN: (纸本)9781510674806

This article proposes a penetration testing payload generation tool based on the Qt graphical interface and msfvenom. The aim is to provide a user-friendly graphical interface that enables penetration testing professionals to efficiently generate customized penetration testing payloads. By integrating the msfvenom payload generation script, users can customize different payload types and parameter settings through the visual interface. While improving the efficiency of payload generation, the tool emphasizes enhancing the user experience to adapt and meet the evolving needs of penetration testing. © 2024 SPIE.

关键词： Human-machine interfaces Information security Photonic integrated circuits Process modeling Tunable filters Computer security Connectors Instrument modeling Pipes Windows

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Research on Updating and Correcting 3D Data Model for power grid Infrastructure Transfer Inspection and Handover 3rd

Research on Updating and Correcting 3D Data Model for Power ...

引用

3rd World Conference on Intelligent and 3D Technologies, WCI3DT 2024

作者： Wang, Gang Yu, Hai Wang, Fei Fan, Zikai Dai, Jiao Wang, He State Grid Smart Grid Research Institute CO. LTD Nanjing210003 China State Grid Laboratory of Power Cyber-Security Protection and Monitoring Technology Nanjing210003 China State Grid Jiangsu Electric Power Co. Ltd. Economic and Technological Research Institute Nanjing210009 China

ISBN: (纸本)9789819791279

In response to the deviation between the 3D design model and the actual situation, this article studies the difference and color texture correction techniques between point clouds and design models, as well as the updating and correction methods of 3D design models based on point cloud models. Obtain the point cloud model corresponding to the design 3D model based on the topological relationship of the 3D design model, and use steps such as initial registration, accurate registration, and color labeling to match the overlapping parts of the two model point clouds through geometric registration. Record the points in the non-overlapping areas as difference points, and display the geometric surface where the difference points are located as difference points. This paper studies the parameterized correction of equipment model points under the constraint of point clouds, and studies the method of correcting the position, posture, and size of power tower models under the constraint of completion acceptance or scanning point clouds by transportation and inspection departments. The proposed improved ICP algorithm based on three-dimensional topological relationships overcomes the disadvantage of the original algorithm requiring initial registration values in advance, and is suitable for point cloud scenes that have already been classified, with good practical value. Parametric characterization is performed on all iron towers on the entire transmission line to obtain information about the type, tower type, insulator, point location, and elevation of each tower. Aiming at the problem that it is difficult to update and correct the overall 3D model at one time, the overall design model is stored and organized as a unit of equipment, and the tower correction method is iteratively updated. Finally, all line tower correction results are obtained, achieving the revision of the engineering level 3D model layout structure. © The Author(s), under exclusive license to Springer Nature Si

关键词： Inspection equipment

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