Search Results for author: Alberto Blanco-Justicia

Found 8 papers, 2 papers with code

Digital Forgetting in Large Language Models: A Survey of Unlearning Methods

no code implementations2 Apr 2024 Alberto Blanco-Justicia, Najeeb Jebreel, Benet Manzanares, David Sánchez, Josep Domingo-Ferrer, Guillem Collell, Kuan Eeik Tan

The objective of digital forgetting is, given a model with undesirable knowledge or behavior, obtain a new model where the detected issues are no longer present.

Machine Unlearning

An Examination of the Alleged Privacy Threats of Confidence-Ranked Reconstruction of Census Microdata

no code implementations6 Nov 2023 David Sánchez, Najeeb Jebreel, Josep Domingo-Ferrer, Krishnamurty Muralidhar, Alberto Blanco-Justicia

The alleged threat of reconstruction attacks has led the U. S. Census Bureau (USCB) to replace in the Decennial Census 2020 the traditional statistical disclosure limitation based on rank swapping with one based on differential privacy (DP).

Attribute Reconstruction Attack

Enhanced Security and Privacy via Fragmented Federated Learning

1 code implementation13 Jul 2022 Najeeb Moharram Jebreel, Josep Domingo-Ferrer, Alberto Blanco-Justicia, David Sanchez

To tackle the accuracy-privacy-security conflict, we propose {\em fragmented federated learning} (FFL), in which participants randomly exchange and mix fragments of their updates before sending them to the server.

Federated Learning

Defending against the Label-flipping Attack in Federated Learning

no code implementations5 Jul 2022 Najeeb Moharram Jebreel, Josep Domingo-Ferrer, David Sánchez, Alberto Blanco-Justicia

The label-flipping (LF) attack is a targeted poisoning attack where the attackers poison their training data by flipping the labels of some examples from one class (i. e., the source class) to another (i. e., the target class).

Federated Learning

Secure and Privacy-Preserving Federated Learning via Co-Utility

no code implementations4 Aug 2021 Josep Domingo-Ferrer, Alberto Blanco-Justicia, Jesús Manjón, David Sánchez

In this paper we build a federated learning framework that offers privacy to the participating peers as well as security against Byzantine and poisoning attacks.

Federated Learning Management +1

Achieving Security and Privacy in Federated Learning Systems: Survey, Research Challenges and Future Directions

no code implementations12 Dec 2020 Alberto Blanco-Justicia, Josep Domingo-Ferrer, Sergio Martínez, David Sánchez, Adrian Flanagan, Kuan Eeik Tan

In contrast with centralized ML approaches, FL saves computation to the server and does not require the clients to outsource their private data to the server.

Federated Learning

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