Search Results for author: David Lopez

Found 4 papers, 2 papers with code

Blockchain-based Monitoring for Poison Attack Detection in Decentralized Federated Learning

no code implementations30 Sep 2022 Ranwa Al Mallah, David Lopez

We propose a technique which consists in decoupling the monitoring phase from the detection phase in defenses against poisoning attacks in a decentralized federated learning deployment that aim at monitoring the behavior of the workers.

Federated Learning

Untargeted Poisoning Attack Detection in Federated Learning via Behavior Attestation

no code implementations24 Jan 2021 Ranwa Al Mallah, David Lopez, Godwin Badu Marfo, Bilal Farooq

We propose attestedFL, a defense mechanism that monitors the training of individual nodes through state persistence in order to detect a malicious worker.

Federated Learning Model Poisoning

A multi-layered blockchain framework for smart mobility data-markets

1 code implementation14 Jun 2019 David Lopez, Bilal Farooq

A multi-layered Blockchain framework for Smart Mobility Data-market (BSMD) is presented for addressing the associated privacy, security, management, and scalability challenges.

Computers and Society

A blockchain framework for smart mobility

1 code implementation16 Sep 2018 David Lopez, Bilal Farooq

A blockchain framework is presented for addressing the privacy and security challenges associated with the Big Data in smart mobility.

Computers and Society

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