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检索条件"任意字段=International Conference on Security in Computer Networks and Distributed Systems, SNDS 2012"

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Choosing of technical and economic indices for knowledge base of perimeter security systems

Choosing of technical and economic indices for knowledge bas...

引用

international IEEE conference on Intelligent systems, IS

作者： P.E. Bykovyy Institute of computer Information Technologies Ternopil Academy of National Economy Ternopil Ukraine

An intelligent procedure is proposed for choosing technical and economic indices of the distributed components of a perimeter security system. This procedure is intended for preparation of input data for the creation ... 详细信息

关键词： Protection Information security Data security Communication system security Design automation Intelligent systems computer security Microcomputers Local area networks Access control

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On providing anonymity in wireless sensor networks

On providing anonymity in wireless sensor networks

引用

international conference on Parallel and distributed systems (ICPADS)

作者： A. Wadaa S. Olariu L. Wilson M. Eltoweissy K. Jones Department of Computer Science Old Dominion University Norfolk VA USA Department of Computer Science Virginia Technology Falls Church VA USA NASA-Langley Research Center Hampton VA USA

Securing wireless sensor networks against denial of service attacks that disrupt communications or target nodes serving key roles in the network, e.g. sinks or routers, is instrumental to network availability and performance. Particularly vulnerable to these attacks are the components of any communications or operation infrastructure in the network. In this paper, we address a class of wireless sensor networks where network protocols leverage a dynamic general-purpose virtual infrastructure; the core components of that infrastructure are a coordinate system, a cluster structure, and a routing structure. Since knowledge of this virtual infrastructure enables 'smart' cost-effective DOS attacks on the network, maintaining the anonymity of the virtual infrastructure is a primary security concern. The main contribution of this work is to propose an energy-efficient protocol for maintaining the anonymity of the network virtual infrastructure. Specifically, our solution defines schemes for randomizing communications such that the coordinate system, cluster structure, and routing structure remain invisible to an external observer of network traffic during the setup phase of the network.

关键词： Intelligent networks Wireless sensor networks Information security Sensor arrays computer crime computer science Communication system security Wireless communication computer networks Military computing

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A source identification scheme against DDoS attacks in cluster interconnects

A source identification scheme against DDoS attacks in clust...

引用

Proc. -ICPP 2004 on Mobile and Wireless Networking, High Perform. Sci. and Eng. Comput., Netw. Des. and Archit., Opt.Netw. Control and Manage., Ad Hoc and Sensor Netw., Compile and Run Time Tech. for Parallel Comput.

作者： Lee, Manhee Kim, Eun Jung Lee, Cheol Won Department of Computer Science Texas A and M University College Station TX 77840 United States National Security Research Institute Daejeon 305-350 Korea Republic of

ISBN: (纸本)0769521983

Designing secure clusters has recently become a critical issue to make these systems robust to attacks from the Internet. The distributed Denial of Service (DDoS) attack is one of the most serious problems in the current Internet. To defend against DDoS attacks, clusters usually depend on firewalls or Intrusion Detection systems (IDS). However, once firewall and IDS are breached, the impact of DDoS attack within a cluster can be severe. That is because one infected system or one malicious user, which is believed to be trustworthy, may instantly paralyze the whole cluster through the high speed network. In this paper, we present a deterministic distance packet marking (DDPM) scheme to identify the source nodes generating spoofed IP packets in cluster interconnects. The scheme can be applied to many cluster interconnects such as mesh, torus and hypercube, which are popular in many commercial systems. Our scheme is practically attractive since it is scalable to large networks and does not incur much processing overhead on both switches and nodes.

关键词： Internet

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Performing security analysis of large scale power systems with a broker-based computational grid

Performing security analysis of large scale power systems wi...

引用

international conference on Information Technology: Coding and Computing (ITCC)

作者： M. Di Santo N. Ranaldo D. Villacci E. Zimeo Department of Engineering University of Sannio Benevento Italy

A solution to the online power system security analysis is presented. For complex networks this analysis requires large computational efforts whereas computation times should be less than few minutes for the information to be useful. Even though many architectures based on conventional parallel and distributed systems have been proposed in literature, none of them is able to furnish useful results for large electrical networks. To address this problem, a distributed Web-based architecture integrating a hierarchical grid system is proposed to implement a computational engine able to execute the power system state equations for large electrical networks. The grid system adopts a resource broker to satisfy the quality of service constraints specified by the user. The resulting framework, deployed on a network of heterogeneous clusters and PCs, is used to compute the contingencies analysis of a realistic electrical grid. The experimental results demonstrate that online security analysis can be executed in few minutes even for large network complexity.

关键词： Power system security Power system analysis computing Performance analysis Large-scale systems Grid computing computer networks computer architecture Information security Complex networks Information analysis

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A distributed approach for intrusion detection systems

A distributed approach for intrusion detection systems

引用

international conference on Information and Communication Technologies: From Theory to Applications, ICTTA

作者： A. Berqia G. Nacsimento University of Geneva CUI Geneve Switzerland Faculdade de Ciências e Tecnologia University of Algarve ADEEC Faro Portugal

This paper discuses a critical issue in computer security, intrusion detection. First we give an overview about the current stage of intrusion detection and existing intrusion detection system types. Then, we propose a new approach suitable to what future intrusion detection systems will have to provide in order to meet the requests presented by the computer security society. The approach named IDIAS (intrusion detection intelligent agent system) is meant to be a system capable of integrating several type of intelligent agents into the same environment providing a kind of defense if depth strategy into dealing with intrusions. The main goals of this approach, which distinguish it from other solutions, are its distributed architecture, scalability, efficiency and the use of intelligent agents.

关键词： Intrusion detection computer security Intelligent agent computer networks computer crime Information security Military computing computer architecture Scalability Insurance

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Secure hosts auto-configuration in mobile ad hoc networks

Secure hosts auto-configuration in mobile ad hoc networks

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international conference on distributed Computing systems Workshop

作者： A. Cavalli J.-M. Orset Institut National de Télécommunications Evry France

All existing routing protocols of mobile ad hoc networks assume that IP addresses of hosts are already configured before they join the network. Some papers proposed solutions to allow an automatic configuration of nodes, i.e. without human intervention. Unfortunately these processes, often inspired of the traditional wired networks, are not always well adapted to the MANET model and appear relatively resources greedy. Moreover, they apply only to ideal networks in which all nodes can trust each other. In this manner, they do absolutely not consider the security aspects and are thus not adapted to a real use. We propose a node autoconfiguration algorithm which uses the Buddy systems technique to allocate the addresses, as well as a scheme allowing to authenticate the participants inside the network.

关键词： Intelligent networks Mobile ad hoc networks Ad hoc networks Cryptographic protocols Routing protocols Humans Mobile computing Wireless communication computer networks Relays

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Efficient hierarchic management for reconfiguration of networked information systems

Efficient hierarchic management for reconfiguration of netwo...

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international conference on Dependable systems and networks (DSN)

作者： J.C. Rowanhill P.E. Varner J.C. Knight Department of Computer Science University of Virginia Charlottesville VA USA

The management of modern distributed systems is complicated by scale and dynamics. Scalable, decoupled communication establishes flexible, loosely coupled component relationships, and these relationships help meet the present demands on management. However, traditional decoupled addressing mechanisms tend to focus the addressing on only one of the parties involved in communication while, in general, a communication relationship involves a sender, communicated content, and receivers. The state of all three are simultaneously relevant to correctness of a management relationship and its communications. We introduce selective notification, a scalable, decoupled event dissemination architecture supporting simultaneous and combined addressing of senders, receivers, and events. We demonstrate its application to programming dynamic, scalable management relationships. We then discuss its implementation, and present measurements of its effective capabilities.

关键词： Management information systems computer network management computer science conference management Engineering management Information security Qualifications Information management Content management Publish-subscribe

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On the security of polling protocols in peer-to-peer systems

On the security of polling protocols in peer-to-peer systems

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international conference on Peer-to-Peer Computing

作者： B. Sieka A.D. Kshemkalyani M. Singhal Computer Science Department University of Illinois Chicago Chicago IL USA Department of Computer Science University of Kentucky Lexington KY USA

The peer-to-peer (P2P) network model differs from the well established client-server model in that all members of the network are assigned an equal role. P2P networks are recently gaining increasing popularity. Providing security in distributed content sharing in P2P networks is an important challenge. This paper identifies security vulnerabilities in the protocols for sharing servants' reputations in the Gnutella P2P system, proposed recently. It demonstrates attacks on the protocols that allow an attacker to alter the results of the voting procedure. The paper then presents a protocol that is resilient to the attacks described. In the proposed protocol, enhanced security against various attacks is achieved using smart design and a combination of various techniques such as the use of digital signatures for message integrity and random numbers for message freshness.

关键词： Protocols Peer to peer computing computer networks computer science IP networks Web server Routing Voting Communication system security Digital signatures

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security patterns: a method for constructing secure and efficient inter-company coordination systems

Security patterns: a method for constructing secure and effi...

引用

international conference on Enterprise distributed Object Computing (EDOC)

作者： N. Yoshioka S. Honiden A. Finkelstein National Institute of Information Japan National Institute of Informatics University of Tokyo Japan Department of Computer Science University College London UK

As the Internet, intranets and other wide-area open networks grow, novel techniques for building distributed systems, notably mobile agents, are attracting increasing attention. This is particularly the case for inter-company system coordination applications. A key difficulty in constructing such systems is to meet the security requirements while at the same time respecting the requirements for efficient implementation. We propose a method that addresses this problem and show an application of the method to a real implemented system, the environmentally conscious product (ECP) design support system. Our approach enables developers to specify several candidate system behaviors that satisfy the security requirements. We use patterns for this purpose. Patterns are abstract templates of system behavior fragments. The patterns include agent migrations, communications between applications and security procedures. We model the performance data associated with each pattern. Developers can then select an efficient implementation using this model to compare the performance data of the candidates. We evaluate our approach with a significant real-world example, the ECP design support system that essentially requires inter-company system coordination.

关键词： Data security Communication system security Companies Informatics Mobile agents Product design Collaboration Joining processes National security computer science

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Intelligent multi-agent based back-propagation neural network forecasting model for statistical database anomaly prevention system

Intelligent multi-agent based back-propagation neural networ...

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international conference on Intelligent Sensing and Information Processing (ICISIP)

作者： P. Ramasubramanian A. Kannan Department of Computer Science and Engineering Anna University Chennai-25 TamilNadu India

This paper describes a framework for highly distributed real-time monitoring approach to database security using Intelligent multi-agents. The statistical anomaly prevention system employs back-propagation neural network forecasting model, which predicts unauthorized invasions of user based on previous observations and takes further action before intrusion occurs. Our back-propagation neural network model makes periodic short-term forecasts, since long-term forecasts cannot accurately predict an intrusion. We use a multivariate time series technique to forecast the hacker's behavior effectively. Our back-propagation neural network model results have been compared with traditional statistical forecasting models, and a better prediction accuracy has been observed. In order to reduce single point of failures in centralized security system, a dynamic distributed system has been designed in which the security management task is distributed across the network using Intelligent multi-agents.

关键词： Deductive databases Intelligent networks Neural networks Predictive models Data security distributed databases Information security Transaction databases Real time systems Database systems

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