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EOLSR for defense against DOS attack in the network

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In this paper we analyze the vulnerabilities of a pro-active routing protocol called optimized link state routing (OLSR) against a specific type of denial-of-service (DOS) attack called node isolation attack. Analyzing the attack, we propose a mechanism called enhanced OLSR (EOLSR) protocol which is a trust based technique to secure the OLSR nodes against the […]

SECURE COVERAGE OF LARGE SCALE WIRELESS SENSOR NETWORK

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We proposed, in this work, a scalable key management scheme which ensures a good secure coverage of large scale WSN with a low key storage overhead and a good network resiliency.One of the main concerns when designing a key management scheme is the network scalability. Indeed, the protocol should support a large number of nodes […]

ONLINE SOCIAL NETWORK USER CONTROL OVER THE UNWANTED MESSAGE

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In this paper, we have presented a system to filter undesired messages from OSN walls .One fundamental issue in today’s Online Social Networks (OSNs) is to give users the ability to control the messages posted on their own private space to avoid that unwanted content is displayed. Up to now, OSNs provide little support to […]

Design and development of trusted Database with full data confidentiality

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Traditionally, as soon as confidentiality becomes a concern, data is encrypted before outsourcing to a service provider. Any software-based cryptographic constructs then deployed, for server-side query processing on the encrypted data, inherently limit query expressiveness. Here, we introduce TrustedDB, an outsourced database prototype that allows clients to execute SQL queries with privacy and under regulatory […]

Secure Two-Party Differentially Private Data Release for Vertically-Partitioned Data

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Privacy-preserving data publishing addresses the problem of disclosing sensitive data when mining for useful information. Among the existing privacy models, ε-differential privacy provides one of the strongest privacy guarantees. In this paper, we address the problem of private data publishing, where different attributes for the same set of individuals are held by two parties. In […]

Identity-Based Secure Distributed Data Storage Schemes

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Secure distributed data storage can shift the burden of maintaining a large number of files from the owner to proxy servers. Proxy servers can convert encrypted files for the owner to encrypted files for the receiver without the necessity of knowing the content of the original files. In practice, the original files will be removed […]

Secure Multi-Party algorithm for Mining of Association Rule in Databases

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We propose a protocol for secure mining of association rules in horizontally distributed databases. The current leading protocol is that of Kantarcioglu and Clifton . The main ingredients in our protocol are two novel secure multi-party algorithms — one that computes the union of private subsets that each of the interacting players hold, and another […]

Preserving m-privacy to Anonymize a horizontally distributed Dataset

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In this paper the m-privacy verification algorithms and protocols, we can use it to anonymize a horizontally distributed dataset while preserving m-privacyFirst, we introduce the notion of m-privacy, which guarantees that the anonymized data satisfies a given privacy constraint against any group of up to m colluding data providers. Second, we present heuristic algorithms exploiting […]

Sequential Clustering Anonymization of Centralized and Distributed Social Networks

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We presented sequential clustering algorithms for anonymizing social networks. Those algorithms produce anonymizations by means of clustering with better utility than those achieved by existing algorithms. The goal is to arrive at an anonymized view of the unified network without revealing to any of the data holders information about links between nodes that are controlled […]

Discovery and Resolution of Anomalies in Web Access Control Policies

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Emerging computing technologies such as Web services, service-oriented architecture, and cloud computing has enabled us to perform business services more efficiently and effectively. However, we still suffer from unintended security leakages by unauthorized actions in business services while providing more convenient services to Internet users through such a cutting-edge technological growth. Furthermore, designing and managing […]