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检索条件"任意字段=Proceedings of the 5th ACM Conference on Data and Application Security and Privacy"

共 1519 条记录，以下是381-390 订阅

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Blockchain-based Authenticated Stego-Channels: A security Framework and Construction 5

Blockchain-based Authenticated Stego-Channels: A Security Fr...

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5th IEEE International conference on Blockchain (Blockchain)

作者： Kanth, Vikram Hale, Britta Naval Postgrad Sch Dept Elect & Comp Engn Monterey CA 93943 USA Naval Postgrad Sch Dept Comp Sci Monterey CA USA

ISBN: (数字)9781665461047

ISBN: (纸本)9781665461047

While blockchain has been an innovative and disruptive technology across many different domains, one area in which is has proven to be particularly game changing is in steganography. Steganography offers data privacy by hiding the existence of data, a property that is distinct from confidentiality (i.e. data existence is known but access is restricted) and authenticity (data existence is known but manipulation is restricted). Combinations of the latter two properties are common in analyses such as Authenticated Encryption with Associated data (AEAD), yet there is a lack of research combining such guarantees with steganography. In this work, we introduce the security definition of Authenticated Stegotext with Associated data (ASAD) which captures steganographic properties even when there is contextual information provided alongside the hidden data. Furthermore, we present a real-world stego-embedding scheme, Authenticated SteGotex with Associated tRansaction data (ASGARD), that leverages a blockchain-based application as a medium for sending hidden data. We analyze ASGARD in our framework, demonstrating that it meets Level-4 ASAD security.

关键词： Blockchain steganography Ethereum covert channels AEAD authenticated hidden text

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Resilience and security on Enterprise Networks: A Multi-Sector Study 5

Resilience and Security on Enterprise Networks: A Multi-Sect...

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5th International conference on Information Technology for Education and Development, ITED 2022

作者： Irughe, Donatus Uwadiae Nwankwo, Wilson Nwankwo, Chukwuemeka Pascal Uwadia, Francis Ignatius Ajuru University of Education Department of Computer Science Port Harcourt Nigeria Edo State University Department of Computer Science Uzairue Nigeria Delta State University of Science Technology Department of Cyber Security Ozoro Nigeria

ISBN: (纸本)9781509064229

the rate of cyber-attacks on enterprise network is increasing daily, accounting for losses in billions of dollars yearly. Professor Soren Morgan once asserted that if it were measured as a country, then the damages from cybercrime alone estimated at 6 trillion globally in 2021, would be the world's third-largest economy after the U.S. and China. this study examines the implications of cyber resilience on the security of enterprise network operations with a view to ascertaining how organizations in different economic sectors adopt cyber resilience strategies towards protecting their network resources against data and privacy violations. Twenty organizations in three different sectors were studied. the findings showed that organizations in the two sectors: oil and gas, and finance and banking, demonstrate better cyber security infrastructure and the adoption of cyber resilience strategies respectively, whereas, organizations in the higher education sector did not show remarkable commitment to the adoption of good cyber security practices. Overall, all organizations appear rather slow in the implementation of multi-level resilience strategies. © 2022 IEEE.

关键词： Network security

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Quantum Obfuscation: Quantum Predicates with Entangled qubits 21

Quantum Obfuscation: Quantum Predicates with Entangled qubit...

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11th acm conference on data and application security and privacy (CODASPY)

作者： Balachandran, Vivek Singapore Inst Technol Singapore Singapore

ISBN: (纸本)9781450381437

In this paper we discuss developing opaque predicates with the help of quantum entangled qubits. these opaque predicates obfuscate classical control flow in hybrid quantum-classical systems. the idea is to use a pair of entangled qubits, one at compile-time and one in the compiled code at runtime to create opaque predicates. We make use of the CHSH game (John Clauser, Michael Horne, Abner Shimony, and Richard Holt) to get consensus about the value of a qubit at runtime, whose value can be predicted at compile time with high probability due to quantum properties. the paper discusses designing opaque predicate that relies on the quantum behavior of the entangled qubits and quantum measurements. the obfuscation produced by this technique maintain only a semantic accuracy of 85.35% when one entangled pair of qubits are used. However, we show that the accuracy can be improved to 100% by introducing additional entangled qubit pairs.

关键词： Quantum Obfuscation Quantum Computing Quantum security

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Decentralized Reputation 21

Decentralized Reputation

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11th acm conference on data and application security and privacy (CODASPY)

作者： Dimitriou, Tassos Kuwait Univ Comp Engn Dept Kuwait Kuwait

ISBN: (纸本)9781450381437

In this work we develop a privacy-preserving reputation scheme for collaborative systems such as P2P networks in which peers can represent themselves with different pseudonyms when interacting with others. All these pseudonyms, however, are bound to the same reputation token, allowing honest peers to maintain their good record even when switching to a new pseudonym while preventing malicious ones from making a fresh start. Our system is truly decentralized. Using an append-only distributed ledger such as Bitcoin's blockchain, we show how participants can make anonymous yet verifiable assertions about their own reputation. In particular, reputation can be demonstrated and updated effectively using efficient zkSNARK proofs. the system maintains soundness, peer-pseudonym unlinkability as well as unlinkability among pseudonyms of the same peer. We formally prove these properties and we evaluate the efficiency of the various operations, demonstrating the viability of our approach.

关键词： Reputation Decentralization privacy Peer-to-peer networks Sybilresistance Blockchain zkSNARKs

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A data security Control Method for Belt and Road Language Resource Libraries Based on Role-Based Access Control and Isolation Forest 24

A Data Security Control Method for Belt and Road Language Re...

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proceedings of the 2024 5th International conference on Big data Economy and Information Management

作者： Muchao Chen Yanjun Zhang Ping Zhang Guangdong Communication Polytechnic Guangzhou Guangdong China Jinan University Guangzhou Guangdong China

ISBN: (纸本)9798400711862

this paper addresses the issues of language resources and their data security challenges under the Belt and Road Initiative. By analyzing the current state of language resource development and the associated security challenges, it proposes an integrated security algorithm combining Role-Based Access Control (RBAC) and Isolation Forest anomaly detection. the approach establishes a comprehensive security mechanism which effectively prevents unauthorized access and data from leaking. From this paper, the logical structure and mathematical formula of the algorithm are described at length to improve the security of language resources in the process of cross-border transmission and use. the experimental results show that this method has high security and stability in practical application, and also provides a new solution to the security management of the "Belt and Road" language resources.

关键词： Access control

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AI Crypto and security Workshop, AI-CryptoSec 2022, theory and application of Blockchain and NFT Workshop, TA-BC-NFT 2022, and Mathematical Science of Quantum Safety and its application Workshop, MathSci-Qsafe 2022 held in conjunction with 4th International conference on Science of Cyber security Workshops, SciSec 2022

AI Crypto and Security Workshop, AI-CryptoSec 2022, Theory a...

引用

AI Crypto and security Workshop, AI-CryptoSec 2022, theory and application of Blockchain and NFT Workshop, TA-BC-NFT 2022, and Mathematical Science of Quantum Safety and its application Workshop, MathSci-Qsafe 2022 held in conjunction with 4th International conference on Science of Cyber security Workshops, SciSec 2022

ISBN: (纸本)9789811977688

the proceedings contain 15 papers. the special focus in this conference is on AI Crypto and security. the topics include: Economic Perspective of Cybersecurity: Principles and Strategies;preface;image data Recoverability Against data Collaboration and Its Countermeasure;towards a Dynamic Reputation Management Scheme for Cross-Chain Transactions;revisiting security of Symmetric-Key Encryption with Imperfect Randomness and Correlation Between Source and Keys;a Secure Image-Video Retrieval Scheme with Attribute-Based Encryption and Multi-feature Fusion in Smart Grid;a Survey on privacy Preserving Synthetic data Generation and a Discussion on a privacy-Utility Trade-off Problem;multi-client Private Decision Tree Classification Using threshold Fully Homomorphic Encryption;advances in Adversarial Attacks and Defenses in Intrusion Detection System: A Survey;encrypted 5G Smallcell Backhaul Traffic Classification Using Deep Learning;human security Behavior Assistance in the Cyber-Physical Space;A privacy-Preserving Electricity theft Detection (PETD) Scheme for Smart Grid;Design and Implementation of VCP Network for Open Flow.

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Secure Parallel Computation on Privately Partitioned data and applications 22

Secure Parallel Computation on Privately Partitioned Data an...

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28th acm SIGSAC conference on Computer and Communications security (CCS)

作者： Attrapadung, Nuttapong Morita, Hiraku Ohara, Kazuma Schuldt, Jacob C. N. Teruya, Tadanori Tozawa, Kazunari AIST Tokyo Japan Univ St Gallen St Gallen Switzerland Univ Tokyo Tokyo Japan

ISBN: (纸本)9781450394505

Parallel computation is an important aspect of multi-party computation, not only in terms of improving efficiency, but also in terms of providing privacy for computation involving conditional branching based on private data. While applying multi-party computation in parallel over several sets of input data is straightforward if the partitioning of the input data into sets is publicly known, the problem becomes much more challenging when this partitioning is private. this setting is relevant to broad class of secure computations, in particular to secure graph and database analysis in which the underlying data (graph or database) is private. In this paper, we consider a general class of functions which can be expressed via the iterative evaluation of a binary associative operation, and propose efficient protocols for evaluating such functions in parallel over privately partitioned input data. Our protocols are optimal in terms of the required number of evaluations of the underlying binary operation (i.e. N - 1 evaluations for total input size N), while simultaneously achieving a round complexity which is only logarithmic in the total size of the input data (i.e. O(logN)). Applying our protocols to specific functions result in concrete improvements compared to dedicated protocols from previous works. For example, we improve upon the previously best known protocols for simple functionalities such as (grouped) summation and (grouped) max, as well as the secure graph analysis protocols by Nayak et al. (S&P'15), which all requires O (N log N) evaluations of their respective underlying operations to achieve a O (logN) round complexity. While our protocols achieve the same asymptotic performance as the shortest path algorithms by Anagreh et al. (Cryptography'21), we achieve better concrete performance. Lastly, considering shortest path computations on a weighted graph via the Bellman-Ford algorithm, we reduce the communication complexity by 2.4 similar to 5.4 compared to the

关键词： secure multi-party computation private parallel computation

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A Distributed data Fabric Architecture based on Metadate Knowledge Graph 5

A Distributed Data Fabric Architecture based on Metadate Kno...

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5th International conference on data Science and Information Technology, DSIT 2022

作者： Li, Xinchi Yang, Mingchuan Xia, Xiaoqing Zhang, Kaicheng Liu, Kang China Telecom Corporation Limited Research Institute Beijing China

ISBN: (数字)9781665498685

ISBN: (纸本)9781665498685

Just like talent, capital and land, data is becoming one of the market-oriented elements and driving profound intelligent changes in traditional industries. data governance is a key process to improve the availability, integrity, and security of data. For large group enterprises like telecom operators, it is not simple to manage the massive data scattered in different departments, different facilities, different regions, and different systems. this paper creatively proposes a distributed data fabric architecture based on metadate knowledge graph to solve this problem. the functional architecture consists of six layers, including acquisition storage layer, data management layer, knowledge graph layer, data directory layer, model application layer, user request layer, etc. A feasible framework is designed to guide how to implement this architecture, and several key enabling technologies have been studied. Instead of storing the full amount of data in a centralized data lake, we choose to centralize the metadata into the data warehouse. this can avoid the problems of data privacy disclosure, long data turnover time, wrong data entry into the lake and high operation and maintenance cost. Specifically, the enhanced data knowledge directory derived from the lower-level global metadata knowledge map is constructed, including static data resource directory, static business resource directory, and dynamic enhanced knowledge directory automatically generated based on user input. the proposed architecture has been used in the practical application in China Telecom Group and alleviates the difficulty of massive data query to a certain extent. © 2022 IEEE.

关键词： Metadata

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A Comparative Study of Access Control Models for Ubiquitous Computing Systems 5

A Comparative Study of Access Control Models for Ubiquitous ...

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5th International conference on Information Management and Machine Intelligence, ICIMMI 2023

作者： Renuse, Sayali Mahalle, Parikshit N. Shinde, Gitanjali Rahul Sable, Nilesh P. Department of Computer Engineering Vishwakarma Institute of Information Technology Maharashtra Pune India Department of Artificial intelligence and Data science Vishwakarma Institute of Information Technology Maharashtra Pune India Bansilal Ramnath Agarwal Charitable Trust's Vishwakarma Institute of Information Technology Maharashtra Pune India

ISBN: (纸本)9798400709418

the Internet of things (IoT) and Machine-to-Machine (M2M) communication have connected devices, enabling major advances in various fields. the priority now is secure and efficient management of these interconnected systems. IoT ecosystems need access control to manage interactions. Role-Based Access Control (RBAC), Attribute-Based Access Control (ABAC), Policy-Based Access Control (PBAC), and Context-Based Access Control (CBAC) are examined in the context of Industrial IoT (IIoT) in this paper. Intelligent manufacturing and anticipatory maintenance are among the many opportunities created by IoT and IIoT rapid growth. However, these advances present new security and access control challenges. Access control is essential for managing user, device, and application authorization in complex, interconnected environments. Our goal is to analyze their suitability, pros, and cons in industrial settings where strict access control is needed to ensure system safety, confidentiality, and efficiency. the IIoT case study implementation of these access control mechanisms is the focus of this paper. We examine an IIoT scenario in which a manufacturing plant has a network of machinery, sensors, and control systems. the case study shows how RBAC, ABAC, PBAC, and CBAC apply pragmatically. We evaluate their ability to manage access to critical machinery, data, and devices. We analyze and compare these access control mechanisms within the IIoT framework to determine the best one for the industrial environment, taking into account scalability, security, real-time decision making, and industrial process complexity. this paper examines access control mechanisms and practical observations from a real-world IIoT case study to improve IIoT security discussions. the findings can help IIoT practitioners, researchers, and decision-makers choose access control solutions. Industrial operations can become safer and more efficient. © 2023 acm.

关键词： Internet of things

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three-Dimensional data security Architecture of Agricultural Supply Chain Driven by Blockchain 5

Three-Dimensional Data Security Architecture of Agricultural...

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5th International conference on High Performance Big data and Intelligent Systems, HDIS 2023

作者： Chen, Xiao Zhang, Guofeng Zhao, Chuan Wang, Bingbing Feng, Bin Wang, Peng Li, Qiuling Li, Songhe Shen, Cong School of Economics and Management Taishan University Taian China School of Information Science and Technology Taishan University Taian China School of Information Science and Engineering Shandong Provincial Key Laboratory of Network-based Intelligent Computing University of Jinan Jinan China School of Information Science and Engineering University of Jinan Jinan China College of Physics and Electronic Engineering Taishan University Taian China

ISBN: (纸本)9798350394160

Agricultural supply chain systems mainly focus on technological applications, but do not pay enough attention to the privacy protection and data security guarantee of the entire supply chain entities. they face practical challenges such as low enthusiasm, poor data quality, and low credibility. this work starts from three dimensions of supply chain entities, blockchain technology, and government/regulatory agencies, fully integrating blockchain and the Internet of things, blockchain and big data, blockchain and artificial intelligence, and designing a three-dimensional data security architecture for agricultural supply chain. Research suggests that utilizing the data security guarantees provided by three dimensions, the distributed storage, tamper resistance, transparency, traceability and other technical features of blockchain, as well as the automatic perception, real-time aggregation, intelligent processing and other functions of the technology integration platform, can effectively eliminate commercial and security concerns of supply chain entities. It has important reference significance and value for promoting supply chain data security sharing and regulating regulation. More importantly, this work emphasizes the comprehensive guarantee of supply chain security, effectively reversing the direction of integrated application of blockchain and agricultural supply chain, and has important implications for guiding the construction of agricultural supply chain systems. ©2023 IEEE.

关键词： Blockchain

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