Survey on Federated Learning Threats: concepts, taxonomy on attacks and defences, experimental study and challenges
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Abstract (arXiv)
Federated learning is a machine learning paradigm that emerges as a solution to the privacy-preservation demands in artificial intelligence. As machine learning, federated learning is threatened by adversarial attacks against the integrity of the learning model and the privacy of data via a distributed approach to tackle local and global learning. This weak point is exacerbated by the inaccessibility of data in federated learning, which makes harder the protection against adversarial attacks and evidences the need to furtherance the research on defence methods to make federated learning a real solution for safeguarding data privacy. In this paper, we present an extensive review of the threats of federated learning, as well as as their corresponding countermeasures, attacks versus defences. This survey provides a taxonomy of adversarial attacks and a taxonomy of defence methods that depict a general picture of this vulnerability of federated learning and how to overcome it. Likewise, we expound guidelines for selecting the most adequate defence method according to the category of the adversarial attack. Besides, we carry out an extensive experimental study from which we draw further conclusions about the behaviour of attacks and defences and the guidelines for selecting the most adequate defence method according to the category of the adversarial attack. This study is finished leading to meditated learned lessons and challenges.
Key facts. Cited by 81 papers in the map (data through 7 Oct 2026). Builds on 98 of its 179 references that are in the map. First posted on arXiv 20 Jan 2022.
Builds on
98 of 179 references.
References · 98
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- 2019Deep Leakage from Gradientscited by 1,004
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- 2018How To Backdoor Federated Learningcited by 745
38 more
- 2020Inverting Gradients -- How easy is it to break privacy in federated learning?cited by 707
- 2018Byzantine-Robust Distributed Learning: Towards Optimal Statistical Ratescited by 698
- 2017Evasion Attacks against Machine Learning at Test Timecited by 686
- 2018signSGD: Compressed Optimisation for Non-Convex Problemscited by 561
- 2018Exploiting Unintended Feature Leakage in Collaborative Learningcited by 509
- 2019Local Model Poisoning Attacks to Byzantine-Robust Federated Learningcited by 479
- 2021LeViT: a Vision Transformer in ConvNet's Clothing for Faster Inferencecited by 475
- 2017Deep Gradient Compression: Reducing the Communication Bandwidth for Distributed Trainingcited by 471
- 2021Towards Personalized Federated Learningcited by 462
- 2019Federated Machine Learning: Concept and Applicationscited by 409
- 2020iDLG: Improved Deep Leakage from Gradientscited by 367
- 2016Semi-supervised Knowledge Transfer for Deep Learning from Private Training Datacited by 347
- 2018Analyzing Federated Learning through an Adversarial Lenscited by 346
- 2017Deep Models Under the GAN: Information Leakage from Collaborative Deep Learningcited by 326
- 2018The Hidden Vulnerability of Distributed Learning in Byzantiumcited by 324
- 2019Differential Privacy Has Disparate Impact on Model Accuracycited by 316
- 2019Robust Aggregation for Federated Learningcited by 314
- 2020Attack of the Tails: Yes, You Really Can Backdoor Federated Learningcited by 307
- 2014Sketching as a Tool for Numerical Linear Algebracited by 285
- 2021Exploring the Limits of Out-of-Distribution Detectioncited by 283
- 2018Scalable Private Learning with PATEcited by 266
- 2019Can You Really Backdoor Federated Learning?cited by 250
- 2015Tensorizing Neural Networkscited by 246
- 2018Beyond Inferring Class Representatives: User-Level Privacy Leakage From Federated Learningcited by 242
- 2018Subsampled R'enyi Differential Privacy and Analytical Moments Accountantcited by 234
- 2018A Hybrid Approach to Privacy-Preserving Federated Learningcited by 208
- 2020Privacy and Robustness in Federated Learning: Attacks and Defensescited by 163
- 2018Mitigating Sybils in Federated Learning Poisoningcited by 158
- 2018Protection Against Reconstruction and Its Applications in Private Federated Learningcited by 127
- 2021The Distributed Discrete Gaussian Mechanism for Federated Learning with Secure Aggregationcited by 127
- 2018Stronger Data Poisoning Attacks Break Data Sanitization Defensescited by 125
- 2021FairFed: Enabling Group Fairness in Federated Learningcited by 114
- 2019Deep Learning with Gaussian Differential Privacycited by 112
- 2020Empowering Things with Intelligence: A Survey of the Progress, Challenges, and Opportunities in Artificial Intelligence of Thingscited by 110
- 2020Feature Inference Attack on Model Predictions in Vertical Federated Learningcited by 105
- 2020Provable Defense against Privacy Leakage in Federated Learning from Representation Perspectivecited by 94
- 2018D"IoT: A Federated Self-learning Anomaly Detection System for IoTcited by 89
- 2021Label Leakage and Protection in Two-party Split Learningcited by 87
50 most cited of 98 All 98 (JSON)
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Citing papers per year: 2022: 8; 2023: 21; 2024: 26; 2025: 18; 2026: 8.
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- 2022Decentralized Federated Learning: Fundamentals, State of the Art, Frameworks, Trends, and Challengescited by 137
- 2023Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directionscited by 123
- 2023Federated Learning for Generalization, Robustness, Fairness: A Survey and Benchmarkcited by 97
- 2023FedCLIP: Fast Generalization and Personalization for CLIP in Federated Learningcited by 70
- 2024Adversarial Attacks and Defenses on Text-to-Image Diffusion Models: A Surveycited by 34
- 2023Backdoor Attacks and Defenses in Federated Learning: Survey, Challenges and Future Research Directionscited by 33
- 2023Integration of Large Language Models and Federated Learningcited by 28
- 2023A Survey on Decentralized Federated Learningcited by 27
- 2023A Survey of Trustworthy Federated Learning with Perspectives on Security, Robustness, and Privacycited by 24
- 2023A Survey of What to Share in Federated Learning: Perspectives on Model Utility, Privacy Leakage, and Communication Efficiencycited by 21
- 2024Synergizing Foundation Models and Federated Learning: A Surveycited by 14
- 2024Threats and Defenses in Federated Learning Life Cycle: A Comprehensive Survey and Challengescited by 14
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- 2024Meta Stackelberg Game: Robust Federated Learning against Adaptive and Mixed Poisoning Attackscited by 8
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- 2025Rethinking Byzantine Robustness in Federated Recommendation from Sparse Aggregation Perspectivecited by 4
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- 2023Poisoning Attacks and Defenses in Federated Learning: A Surveycited by 3
- 2023Protecting Federated Learning from Extreme Model Poisoning Attacks via Multidimensional Time Series Anomaly Detectioncited by 3
- 2024FedRDF: A Robust and Dynamic Aggregation Function against Poisoning Attacks in Federated Learningcited by 3
- 2025Synergizing AI and Digital Twins for Next-Generation Network Optimization, Forecasting, and Securitycited by 3
- 2025A Design Framework for operationalizing Trustworthy Artificial Intelligence in Healthcare: Requirements, Tradeoffs and Challenges for its Clinical Adoptioncited by 3
- 2025Federated Learning Survey: A Multi-Level Taxonomy of Aggregation Techniques, Experimental Insights, and Future Frontierscited by 3
- 2022Combining Stochastic Defenses to Resist Gradient Inversion: An Ablation Studycited by 2
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- 2023Privacy Preserving Federated Learning with Convolutional Variational Bottleneckscited by 2
- 2024Privacy-preserving datasets by capturing feature distributions with Conditional VAEscited by 2
- 2025Improving (α, f)-Byzantine Resilience in Federated Learning via layerwise aggregation and cosine distancecited by 2
- 2025On the Security and Privacy of Federated Learning: A Survey with Attacks, Defenses, Frameworks, Applications, and Future Directionscited by 2
- 2023Attacks on Robust Distributed Learning Schemes via Sensitivity Curve Maximizationcited by 1
- 2023A Novel Neural Network-Based Federated Learning System for Imbalanced and Non-IID Datacited by 1
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- 2024Federated Learning with Flexible Architecturescited by 1
- 2024Mitigating Malicious Attacks in Federated Learning via Confidence-aware Defensecited by 1
- 2024Celtibero: Robust Layered Aggregation for Federated Learningcited by 1
- 2024TPFL: A Trustworthy Personalized Federated Learning Framework via Subjective Logiccited by 1
- 2024Defending Against Diverse Attacks in Federated Learning Through Consensus-Based Bi-Level Optimizationcited by 1
- 2024Just a Simple Transformation is Enough for Data Protection in Vertical Federated Learningcited by 1
- 2025GUIDE: Enhancing Gradient Inversion Attacks in Federated Learning with Denoising Modelscited by 1
50 most cited of 81 All 81 (JSON)
- 2026Similarity Weighted Aggregation with Global Differential Privacy for Federated Brain Lesion Segmentation1 Aug 2026
- 2026HEAL: Resilient and Self-* Hub-based Learning26 May 2026
- 2026Privacy Preserving Machine Learning Workflow: from Anonymization to Personalized Differential Privacy Budgets in Federated Learning4 May 2026
- 2026AI Security in the Foundation Model Era: A Comprehensive Survey from a Unified Perspective25 Mar 2026
- 2026Resilient Federated Chain: Transforming Blockchain Consensus into an Active Defense Layer for Federated Learning25 Feb 2026
- 2026PenTiDef: Decentralized Federated Intrusion Detection System with Differential Privacy and Latent-Space Defense via Blockchain Coordination in IIoT20 Feb 2026
- 2026Towards Explainable Federated Learning: Understanding the Impact of Differential Privacy10 Feb 2026
- 2026Robust Federated Learning via Byzantine Filtering over Encrypted Updates5 Feb 2026
- 2025Federated Learning Survey: A Multi-Level Taxonomy of Aggregation Techniques, Experimental Insights, and Future Frontiers27 Nov 2025
- 2025GUIDE: Enhancing Gradient Inversion Attacks in Federated Learning with Denoising Models20 Oct 2025
- 2025Enhancing the Effectiveness and Durability of Backdoor Attacks in Federated Learning through Maximizing Task Distinction23 Sep 2025
- 2025ProDiGy: Proximity- and Dissimilarity-Based Byzantine-Robust Federated Learning11 Sep 2025
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- 2025On the Security and Privacy of Federated Learning: A Survey with Attacks, Defenses, Frameworks, Applications, and Future Directions19 Aug 2025
- 2025From Privacy to Trust in the Agentic Era: A Taxonomy of Challenges in Trustworthy Federated Learning Through the Lens of Trust Report 2.021 Jul 2025
- 2025Private Aggregation for Byzantine-Resilient Heterogeneous Federated Learning11 Jun 2025
- 2025Addressing Data Quality Decompensation in Federated Learning via Dynamic Client Selection27 May 2025
- 2025ATR-Bench: A Federated Learning Benchmark for Adaptation, Trust, and Reasoning22 May 2025
- 2025Nosy Layers, Noisy Fixes: Tackling DRAs in Federated Learning Systems using Explainable AI16 May 2025
- 2025A Design Framework for operationalizing Trustworthy Artificial Intelligence in Healthcare: Requirements, Tradeoffs and Challenges for its Clinical Adoption27 Apr 2025
- 2025Improving (α, f)-Byzantine Resilience in Federated Learning via layerwise aggregation and cosine distance27 Mar 2025
- 2025TS-Inverse: A Gradient Inversion Attack Tailored for Federated Time Series Forecasting Models26 Mar 2025
- 2025Membership Inference Attacks fueled by Few-Short Learning to detect privacy leakage tackling data integrity12 Mar 2025
- 2025Synergizing AI and Digital Twins for Next-Generation Network Optimization, Forecasting, and Security8 Mar 2025
- 2025Energy-Latency Attacks: A New Adversarial Threat to Deep Learning6 Mar 2025
- 2025Decoding FL Defenses: Systemization, Pitfalls, and Remedies3 Feb 2025
- 2025Rethinking Byzantine Robustness in Federated Recommendation from Sparse Aggregation Perspective6 Jan 2025
- 2024An Empirical Analysis of Federated Learning Models Subject to Label-Flipping Adversarial Attack24 Dec 2024
- 2024Just a Simple Transformation is Enough for Data Protection in Vertical Federated Learning16 Dec 2024
- 2024Defending Against Diverse Attacks in Federated Learning Through Consensus-Based Bi-Level Optimization3 Dec 2024
- 2024LOGSAFE: Logic-Guided Verification for Trustworthy Federated Time-Series Learning5 Nov 2024
- 2024Trustworthy Federated Learning: Privacy, Security, and Beyond3 Nov 2024
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- 2024Meta Stackelberg Game: Robust Federated Learning against Adaptive and Mixed Poisoning Attacks22 Oct 2024
- 2024TPFL: A Trustworthy Personalized Federated Learning Framework via Subjective Logic16 Oct 2024
- 2024SoK: Verifiable Cross-Silo FL11 Oct 2024
- 2024RAB2-DEF: Dynamic and explainable defense against adversarial attacks in Federated Learning to fair poor clients10 Oct 2024
- 2024Federated brain tumor segmentation: an extensive benchmark7 Oct 2024
- 2024Data Distribution Shifts in (Industrial) Federated Learning as a Privacy Issue20 Sep 2024
- 2024Celtibero: Robust Layered Aggregation for Federated Learning26 Aug 2024
- 2024Heterogeneity: An Open Challenge for Federated On-board Machine Learning13 Aug 2024
- 2024Mitigating Malicious Attacks in Federated Learning via Confidence-aware Defense5 Aug 2024
- 2024Privacy-preserving datasets by capturing feature distributions with Conditional VAEs1 Aug 2024
- 2024Adversarial Attacks and Defenses on Text-to-Image Diffusion Models: A Survey10 Jul 2024
- 2024Threats and Defenses in Federated Learning Life Cycle: A Comprehensive Survey and Challenges9 Jul 2024
- 2024Synergizing Foundation Models and Federated Learning: A Survey18 Jun 2024
- 2024Federated Learning with Flexible Architectures14 Jun 2024
- 2024Data Quality in Edge Machine Learning: A State-of-the-Art Survey1 Jun 2024
- 2024Exploring the Practicality of Federated Learning: A Survey Towards the Communication Perspective30 May 2024
- 2024A Systematic Review of Federated Generative Models26 May 2024
- 2024FLEX: FLEXible Federated Learning Framework9 Apr 2024
50 newest of 81 All 81 (JSON)
- 2022Analyzing the Robustness of Decentralized Horizontal and Vertical Federated Learning Architectures in a Non-IID Scenariocited by 2
- 2024Mitigating Malicious Attacks in Federated Learning via Confidence-aware Defensecited by 1
- 2026AI Security in the Foundation Model Era: A Comprehensive Survey from a Unified Perspectivecited by 1
- 2025Membership Inference Attacks fueled by Few-Short Learning to detect privacy leakage tackling data integritycited by 0
- 2026AI Security in the Foundation Model Era: A Comprehensive Survey from a Unified Perspective25 Mar 2026
- 2025Membership Inference Attacks fueled by Few-Short Learning to detect privacy leakage tackling data integrity12 Mar 2025
- 2024Mitigating Malicious Attacks in Federated Learning via Confidence-aware Defense5 Aug 2024
- 2022Analyzing the Robustness of Decentralized Horizontal and Vertical Federated Learning Architectures in a Non-IID Scenario20 Oct 2022
- 2022Decentralized Federated Learning: Fundamentals, State of the Art, Frameworks, Trends, and Challengescited by 137
- 2023Explainable Artificial Intelligence (XAI) 2.0: A Manifesto of Open Challenges and Interdisciplinary Research Directionscited by 123
- 2023Federated Learning for Generalization, Robustness, Fairness: A Survey and Benchmarkcited by 97
- 2023FedCLIP: Fast Generalization and Personalization for CLIP in Federated Learningcited by 70
- 2023Backdoor Attacks and Defenses in Federated Learning: Survey, Challenges and Future Research Directionscited by 33
- 2023Integration of Large Language Models and Federated Learningcited by 28
- 2023A Survey on Decentralized Federated Learningcited by 27
- 2023A Survey of Trustworthy Federated Learning with Perspectives on Security, Robustness, and Privacycited by 24
- 2023A Survey of What to Share in Federated Learning: Perspectives on Model Utility, Privacy Leakage, and Communication Efficiencycited by 21
- 2024Synergizing Foundation Models and Federated Learning: A Surveycited by 14
- 2024Threats and Defenses in Federated Learning Life Cycle: A Comprehensive Survey and Challengescited by 14
- 2024Trustworthy Federated Learning: Privacy, Security, and Beyondcited by 11
12 most cited of 75 All 75 (JSON)
- 2026Similarity Weighted Aggregation with Global Differential Privacy for Federated Brain Lesion Segmentation1 Aug 2026
- 2026HEAL: Resilient and Self-* Hub-based Learning26 May 2026
- 2026Privacy Preserving Machine Learning Workflow: from Anonymization to Personalized Differential Privacy Budgets in Federated Learning4 May 2026
- 2026Resilient Federated Chain: Transforming Blockchain Consensus into an Active Defense Layer for Federated Learning25 Feb 2026
- 2026PenTiDef: Decentralized Federated Intrusion Detection System with Differential Privacy and Latent-Space Defense via Blockchain Coordination in IIoT20 Feb 2026
- 2026Towards Explainable Federated Learning: Understanding the Impact of Differential Privacy10 Feb 2026
- 2026Robust Federated Learning via Byzantine Filtering over Encrypted Updates5 Feb 2026
- 2025Federated Learning Survey: A Multi-Level Taxonomy of Aggregation Techniques, Experimental Insights, and Future Frontiers27 Nov 2025
- 2025GUIDE: Enhancing Gradient Inversion Attacks in Federated Learning with Denoising Models20 Oct 2025
- 2025Enhancing the Effectiveness and Durability of Backdoor Attacks in Federated Learning through Maximizing Task Distinction23 Sep 2025
- 2025ProDiGy: Proximity- and Dissimilarity-Based Byzantine-Robust Federated Learning11 Sep 2025
- 2025On the Security and Privacy of Federated Learning: A Survey with Attacks, Defenses, Frameworks, Applications, and Future Directions19 Aug 2025
12 newest of 75 All 75 (JSON)