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644 résultats
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Séminaire
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SoSysec
Programmable Network Security – Challenges and Opportunities
Orateur : Sandra Scott-Hayward (Queen’s University Belfast)
Society’s dependence on communication networks for all aspects of day-to-day living; business, education, entertainment etc. makes “the network” a very attractive target for malicious attack, which cyber criminals are only too eager to exploit, attempting to limit or block access to essential services (e.g., healthcare, banking, critical infrastructure etc.), disrupting our daily lives and causing[…] -
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Séminaire
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SoSysec
Les cyber opérations, entre opportunités stratégiques et contraintes opérationnelles
Orateur : Stéphane Taillat (Académie Militaire de Saint Cyr-Coëtquidan)
Le recours aux opérations numériques et au cyberespace s’est généralisé dans la gestion des crises et des conflits internationaux. Pour autant, aucune des cyber opérations étatiques ou prêtées à des États n’ont débouché sur des conflits armés ou sur une escalade significative des tensions. A ce titre, cette conférence cherche à s’interroger sur l’utilité stratégique des opérations numériques et du[…] -
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Séminaire
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SoSysec
A Fundamental Approach to Cyber Risk Analysis
Orateur : Rainer Böhme (Universität Innsbruck)
This paper provides a framework actuaries can use to think about cyber risk. We propose a differentiated view of cyber versus conventional risk by separating the nature of risk arrival from the target exposed to risk. Our review synthesizes the liter- ature on cyber risk analysis from various disciplines, including computer and network engineering, economics, and actuarial sciences. As a result,[…] -
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Séminaire
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SoSysec
Canadian and Québec approaches to contact tracing
Orateur : Sébastien Gambs (Université du Québec à Montréal, Canada)
Contact tracing applications have been deployed in many countries as a complementary measure to fight Covid-19 by enabling to automatically notify individuals who have been in contact with infected persons. However, the choice of the design of a particular application is not innocent as it has a direct impact on its security as well as on the privacy of its user. In this talk, I will review the[…] -
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Séminaire
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SoSysec
Model Stealing Attacks Against Inductive Graph Neural Networks
Orateur : Yufei Han (INRIA)
Many real-world data come in the form of graphs. Graph neural networks (GNNs), a new family of machine learning (ML) models, have been proposed to fully leverage graph data to build powerful applications. In particular, the inductive GNNs, which can generalize to unseen data, become mainstream in this direction. Machine learning models have shown great potential in various tasks and have been[…] -
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Séminaire
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SoSysec
Cybersecurity of industrial systems. Open problems and some ideas.
Orateur : Stéphane Mocanu (Inria Rhône-Alpes)
Research in cybersecurity of SCADA systems is a relatively recent field developed mainly into the last decade. Despite the manufacturers progress in hardening the security of device SCADA systems are still prone to severe vulnerabilities and specialized countermeasures are still incipient. This talk aims to present the open problems seen from the boundary between computer science and control[…] -