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634 résultats
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Séminaire
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SoSysec
Contemporary Issues in Digital Forensics
Orateur : Ben Martini (University of South Australia)
The discipline of digital forensics, or as it was then known ‘forensic computing’, began with a focus on retrieving admissible evidence from computer systems (typically personal computers). However, with the increased pervasiveness of connected digital technologies in the last 20 years, a wide variety of new and complex sources of digital evidence have emerged. This has presented a range of[…] -
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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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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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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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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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SoSysec
Differentially Private Linear Sketches: Efficient Implementations and Applications
Orateur : Fuheng Zhao (University of California Santa Barbara)
Linear sketches have been widely adopted to process fast data streams, and they can be used to accurately answer frequency estimation, approximate top K items, and summarize data distributions. When data are sensitive, it is desirable to provide privacy guarantees for linear sketches to preserve private information while delivering useful results with theoretical bounds. To address these[…] -