Search Results for author: Alexandra Dmitrienko

Found 5 papers, 1 papers with code

FreqFed: A Frequency Analysis-Based Approach for Mitigating Poisoning Attacks in Federated Learning

no code implementations7 Dec 2023 Hossein Fereidooni, Alessandro Pegoraro, Phillip Rieger, Alexandra Dmitrienko, Ahmad-Reza Sadeghi

Existing defenses against poisoning attacks in FL have several limitations, such as relying on specific assumptions about attack types and strategies or data distributions or not sufficiently robust against advanced injection techniques and strategies and simultaneously maintaining the utility of the aggregated model.

Federated Learning Image Classification +3

ClearMark: Intuitive and Robust Model Watermarking via Transposed Model Training

no code implementations25 Oct 2023 Torsten Krauß, Jasper Stang, Alexandra Dmitrienko

ClearMark defines a transposed model architecture allowing to use of the model in a backward fashion to interwove the watermark with the main task within all model parameters.

Decision Making

Avoid Adversarial Adaption in Federated Learning by Multi-Metric Investigations

no code implementations6 Jun 2023 Torsten Krauß, Alexandra Dmitrienko

We introduce Metric-Cascades (MESAS), a novel defense method for more realistic scenarios and adversary models.

Federated Learning

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