no code implementations • 3 Oct 2021 • Do Le Quoc, Christof Fetzer
Second, malicious clients can collude with each other to steal data, models from regular clients or corrupt the global training model.
no code implementations • 31 Mar 2021 • Wojciech Ozga, Do Le Quoc, Christof Fetzer
To address this problem, we designed and implemented Perun, a framework for confidential multi-stakeholder machine learning that allows users to make a trade-off between security and performance.
no code implementations • 20 Jan 2021 • Do Le Quoc, Franz Gregor, Sergei Arnautov, Roland Kunkel, Pramod Bhatotia, Christof Fetzer
To tackle this challenge, we designed secureTF, a distributed secure machine learning framework based on Tensorflow for the untrusted cloud infrastructure.
no code implementations • 11 Dec 2020 • Robert Krahn, Donald Dragoti, Franz Gregor, Do Le Quoc, Valerio Schiavoni, Pascal Felber, Clenimar Souza, Andrey Brito, Christof Fetzer
Currently, only a limited number of performance measurement tools for TEE-based applications exist and none offer performance monitoring and analysis during runtime.
Cryptography and Security Distributed, Parallel, and Cluster Computing Performance C.4
1 code implementation • 24 May 2019 • Oleksii Oleksenko, Bohdan Trach, Mark Silberstein, Christof Fetzer
SpecFuzz is the first tool that enables dynamic testing for speculative execution vulnerabilities (e. g., Spectre).
Cryptography and Security
no code implementations • 12 Feb 2019 • Roland Kunkel, Do Le Quoc, Franz Gregor, Sergei Arnautov, Pramod Bhatotia, Christof Fetzer
This imposes significant security risks since modern online services rely on cloud computing to store and process the sensitive data.
no code implementations • 12 Oct 2018 • Oleh Bodunov, Florian Schmidt, André Martin, Andrey Brito, Christof Fetzer
The challenge asks to provide a prediction for (i) a destination and the (ii) arrival time of ships in a streaming-fashion using Geo-spatial data in the maritime context.
2 code implementations • 2 Feb 2017 • Oleksii Oleksenko, Dmitrii Kuvaiskii, Pramod Bhatotia, Pascal Felber, Christof Fetzer
Memory-safety violations are a prevalent cause of both reliability and security vulnerabilities in systems software written in unsafe languages like C/C++.
Cryptography and Security