Search Results for author: Christof Fetzer

Found 8 papers, 2 papers with code

SecFL: Confidential Federated Learning using TEEs

no code implementations3 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.

Federated Learning

Perun: Secure Multi-Stakeholder Machine Learning Framework with GPU Support

no code implementations31 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.

BIG-bench Machine Learning

secureTF: A Secure TensorFlow Framework

no code implementations20 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.

BIG-bench Machine Learning Cloud Computing

TEEMon: A continuous performance monitoring framework for TEEs

no code implementations11 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

SpecFuzz: Bringing Spectre-type vulnerabilities to the surface

1 code implementation24 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

TensorSCONE: A Secure TensorFlow Framework using Intel SGX

no code implementations12 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.

BIG-bench Machine Learning Cloud Computing

Grand Challenge: Real-time Destination and ETA Prediction for Maritime Traffic

no code implementations12 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.

Ensemble Learning General Classification

Intel MPX Explained: An Empirical Study of Intel MPX and Software-based Bounds Checking Approaches

2 code implementations2 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

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