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652 results

    • Seminar

    • SoSysec

    A Fundamental Approach to Cyber Risk Analysis

    • September 16, 2022

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : 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,[…]

    • Seminar

    • SoSysec

    Towards Security-Oriented Program analysis

    • October 29, 2021

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Sébastien Bardin (CEA LIST)

    While digital security concerns increase, we face both a urging demand for more and more code-level security analysis and a shortage of security experts. Hence the need for techniques and tools able to automate part of these code-level security analyses. As source-level program analysis and formal methods for safety-critical applications have made tremendous progress in the past decades, it is[…]

    • Seminar

    • SoSysec

    DroidGuard: A Deep Dive into SafetyNet

    • January 06, 2023

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Romain Thomas (Quarkslab)

    SafetyNet is the Android component developed by Google to verify the devices’ integrity. These checks are used by the developers to prevent running applications on devices that would not meet security requirements but it is also used by Google to prevent bots, fraud and abuse.In 2017, Collin Mulliner & John Kozyrakis made one of the first public presentations about SafetyNet and a glimpse into the[…]

    • Seminar

    • SoSysec

    The PINED-RQ Family: Differentially Private Indexes for Range Query Processing in Clouds

    • November 13, 2020

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Tristan Allard (IRISA, Université de Rennes 1)

    Performing non- aggregate range queries on cloud stored data, while achieving both privacy and efficiency is a challenging problem. With the PINED-RQ family of techniques, we propose constructing a differentially private index to an outsourced encrypted dataset. Efficiency is enabled by using a cleartext index structure to perform range queries. Security relies on both differential privacy (of the[…]

    • Seminar

    • SoSysec

    L’empoisonnement de données semble-t-il un risque réaliste ?

    • September 23, 2022

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Adrien Chan-Hon-Tong (ONERA)

    Les attaques adversaires ont rencontré un fort écho dans la communauté de vision par ordinateur. Pour autant, via ce type d’attaque, un hacker ne peut modifier le comportement de l’algorithme ciblé que localement. Inversement, l’empoisonnement de données est en mesure de modifier globalement le comportement de l’algorithme visé, et, il n’est pas forcément détectable par un opérateur notamment si[…]

    • Seminar

    • SoSysec

    Security and privacy in personal data management systems

    • January 28, 2022

    • Inria Center of the University of Rennes - - Room TBD

    Speaker : Nicolas Anciaux (INRIA)

    Personal Data Management Systems (called PDMS) provide individuals with a hardware and/or software solution to manage their data under control. From a data management and security/privacy perspective, the issues involved are complex and differ significantly from the traditional database setting. The emergence of trusted execution environments (such as Intel SGX) could be a game changer. This[…]
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