12 research outputs found

    Improving Secure Device Insertion in Home Ad Hoc Networks

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    Home ad-hoc networks are sets of devices that interact to offer enhanced services to the users. These networks are heterogeneous, dynamic and fully decentralized. Moreover, they generally lack of a skilled administrator. These properties dramatically reduce the efficiency of classical security approaches: even defining the boundaries of such networks can be difficult. Ways to solve this problem where recently found, using the concept of secure long-term communities. Solutions rely on one critical operation: the secure insertion of a device in the home ad-hoc network. In this paper, we propose two ways to improve this operation, using store-and-forward techniques. The first improvement deals with the ability to realize insertion under loose connectivity circumstances. The other improvement deals with the ability for the user to use any trusted device in order to realize insertion. Keywords: Network Security, Key-management

    Internet of things: where to be is to trust

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    [EN] Networks' creation is getting more and more required, anytime, anywhere. Devices that can participate on these networks can be quite different among them. Sensors, mobiles, home appliances, or other type of devices will have to collaborate to increase and improve the services provided to clients. In the same way, network configuration, security mechanisms establishment, and optimal performance control must be done by them. Some of these devices could have limited resources to work, sometimes even resources restriction not existing, they must work to optimize network traffic. In this article, we center our researching on spontaneous networks. We propose a secure spontaneous ad-hoc network, based on direct peer-to-peer interaction and communities' creation to grant a quick, easy, and secure access to users to surf the Web. Each device will have an identity in the network. Each community will also have an identity and will act as a unity on a world based on Internet connection. Security will be established in the moment they access to the network through the use of the trust chain generated by nodes. Trust is modified by each node on the basis of nodes behaviorLacuesta, R.; Palacios-Navarro, G.; Cetina Englada, C.; Peñalver Herrero, ML.; Lloret, J. (2012). Internet of things: where to be is to trust. EURASIP Journal on Wireless Communications and Networking. (203):1-16. doi:10.1186/1687-1499-2012-203S116203Lipnack J, Stamps J: Virtual Teams: Researching Across Space, Time, and Organizations with Technology. New York: John Wiley and Sons; 1997.Ahuja MK, Carley KN: Network structure in virtual organizations, organization science, Vol. 10, No. 6, Special Issue: Communication Processes for Virtual Organizations, November–December. 1999, 741-757.Mowshowitz A: Virtual organization. Commun ACM 1997, 40(9):30-37. 10.1145/260750.260759Preuß S: CH Cap, Overview of spontaneous networking-evolving concepts and technologies, in Rostocker Informatik-Berichte. 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    SCOR: A secure international informatics infrastructure to investigate COVID-19

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    Global pandemics call for large and diverse healthcare data to study various risk factors, treatment options, and disease progression patterns. Despite the enormous efforts of many large data consortium initiatives, scientific community still lacks a secure and privacy-preserving infrastructure to support auditable data sharing and facilitate automated and legally compliant federated analysis on an international scale. Existing health informatics systems do not incorporate the latest progress in modern security and federated machine learning algorithms, which are poised to offer solutions. An international group of passionate researchers came together with a joint mission to solve the problem with our finest models and tools. The SCOR Consortium has developed a ready-to-deploy secure infrastructure using world-class privacy and security technologies to reconcile the privacy/utility conflicts. We hope our effort will make a change and accelerate research in future pandemics with broad and diverse samples on an international scale

    British intelligence towards the end of the millenium Issues and opportunities

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