Publications

Biometric Verification (1)

Privacy-preserving speaker verification system using Ranking-of-Element hashing

Hong-Hanh Nguyen-Le , Lam Tran , Dinh Song An Nguyen , Nhien-An Le-Khac , Thuc D. Nguyen

Pattern Recognition 2025 journal

template protectionwinner-takes-all hasingbiometric verificationprivacy-preserving machine learning

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Cybersecurity/Digital Forensics (2)

Blockchain-based vs. SQL Database Systems for Digital Twin Evidence Management: A Comparative Forensic Analysis

Boyd Franken , Hong-Hanh Nguyen-Le , Nhien-An Le-Khac

EAI International Conference on Digital Forensics & Cyber Crime 2025 2025 conference

digital twinsblockchainSQL databaseevidence management

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Improving Security in Internet of Medical Things through Hierarchical Cyberattacks Classification

Vince Noort , Nhien-An Le-Khac , Hong-Hanh Nguyen-Le ^*

IEEE 23rd International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom) 2024 conference

internet of medical thingscybersecurityhierarchical classificationclass of cyberattacks

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Deepfake Detection (8)

AFSS: Artifact-Focused Self-Synthesis for Mitigating Bias in Audio Deepfake Detection

Hai-Son Nguyen-Le , Hung-Cuong Nguyen-Thanh , Nhien-An Le-Khac , Thuc D. Nguyen , Hong-Hanh Nguyen-Le ^*

International Joint Conference on Neural Networks (IJCNN) 2026 conference

audio deepfake detectionbias mitigationself-synthesisgeneralization

arXiv Code

Beyond Binary Classification: A Semi-supervised Approach to Generalized AI-generated Image Detection

Hong-Hanh Nguyen-Le , Van-Tuan Tran , Thuc D. Nguyen , Nhien-An Le-Khac

Proceedings of the AAAI Conference on Artificial Intelligence 2026 conference

passive deepfake detectiongeneralizationcross-generator detectiondeep clustering

PDF arXiv Code

Transferable Multi-Bit Watermarking Across Frozen Diffusion Models via Latent Consistency Bridges

Hong-Hanh Nguyen-Le ^† , Van-Tuan Tran ^† , Thuc D. Nguyen , Nhien-An Le-Khac

Second Workshop on Technical AI Governance Research (TAIGR 2026) 2026 workshop

watermarkingdiffusion modelscontent provenanceAI governancelatent consistency models

arXiv

How Effective Are Publicly Accessible Deepfake Detection Tools? A Comparative Evaluation of Open-Source and Free-to-Use Platforms

Michael Rettinger , Ben Beaumont , Nhien-An Le-Khac , Hong-Hanh Nguyen-Le ^*

Preprint (arXiv) 2026 preprint

deepfake detectiondigital forensicdigital media authenticityempirical evaluationsurvey

arXiv Code

Deepfake Detection Across Image, Video, and Audio: A Comprehensive Survey with Empirical Evaluation of Generalization and Robustness

Hong-Hanh Nguyen-Le , Van-Tuan Tran , Thuc D. Nguyen , Nhien-An Le-Khac

Springer AI Review 2026 journal

passive deepfake detectiongeneralizationrobustnessempirical evaluationcross-modality analysissurvey

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A survey on proactive deepfake defense: Disruption and watermarking

Hong-Hanh Nguyen-Le , Van-Tuan Tran , Thuc D. Nguyen , Nhien-An Le-Khac

ACM Computing Surveys 2025 journal

proactive deepfake detection disruptionwatermarkinggenerative AIsurvey

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Think Twice Before Adaptation: Improving Adaptability of DeepFake Detection via Online Test-Time Adaptation

Hong-Hanh Nguyen-Le , Van-Tuan Tran , Thuc D. Nguyen , Nhien-An Le-Khac

Proceedings of the Thirty-Fourth International Joint Conference on Artificial Intelligence 2025 conference

passive deepfake detectiontest time adaptationnegative learning

PDF arXiv Code

D-CAPTCHA++: A Study of Resilience of Deepfake CAPTCHA under Transferable Imperceptible Adversarial Attack

Hong-Hanh Nguyen-Le , Van-Tuan Tran , Thuc D. Nguyen , Nhien-An Le-Khac

International Joint Conference on Neural Networks (IJCNN) 2024 conference

black-box attackstransferabilityimperceptible adversarial examplesdeepfake CAPTCHA

PDF arXiv Code

Federated Learning (4)

UB-SMoE: Universally Balanced Sparse Mixture-of-Experts for Resource-adaptive Federated Fine-tuning of Foundation Models

Van-Tuan Tran , Hong-Hanh Nguyen-Le , Marco Ruffini , Merim Dzaferagic

Proceedings of the International Conference on Machine Learning (ICML) 2026 conference

mixture of expertsfederated fine-tuningresource-adaptivefoundation modelsLoRA

PDF arXiv

Revisiting Sparse Mixture of Experts for Resource-adaptive Federated Fine-tuning Foundation Models

Van-Tuan Tran , Khiem Le , Quoc-Viet Pham

ICLR 2025 Workshop on Modularity for Collaborative, Decentralized, and Continual Deep Learning 2025 workshop

Resource-adaptivemixture of expertsfederated fine-tuningfoundation models

PDF Code

ToFU: Transforming How Federated Learning Systems Forget User Data

Van-Tuan Tran , Hong-Hanh Nguyen-Le , Quoc-Viet Pham

28th European Conference on Artificial Intelligence (ECAI-25) 2025 conference

federated unlearninglearning-to-unlearn

PDF arXiv Code

Personalized Privacy-Preserving Framework for Cross-Silo Federated Learning

Van-Tuan Tran , Huy-Hieu Pham , Kok-Seng Wong

IEEE Transactions on Emerging Topics in Computing 2024 journal

cross-Silo federated learningdifferential privacygenerative adversarial networkspersonalized federated learning

PDF Code

Unlearning (1)

ToFU: Transforming How Federated Learning Systems Forget User Data

Van-Tuan Tran , Hong-Hanh Nguyen-Le , Quoc-Viet Pham

28th European Conference on Artificial Intelligence (ECAI-25) 2025 conference

federated unlearninglearning-to-unlearn

PDF arXiv Code

Biometric Verification (1)

Privacy-preserving speaker verification system using Ranking-of-Element hashing

Cybersecurity/Digital Forensics (2)

Blockchain-based vs. SQL Database Systems for Digital Twin Evidence Management: A Comparative Forensic Analysis

Improving Security in Internet of Medical Things through Hierarchical Cyberattacks Classification

Deepfake Detection (8)

AFSS: Artifact-Focused Self-Synthesis for Mitigating Bias in Audio Deepfake Detection

Beyond Binary Classification: A Semi-supervised Approach to Generalized AI-generated Image Detection

Transferable Multi-Bit Watermarking Across Frozen Diffusion Models via Latent Consistency Bridges

How Effective Are Publicly Accessible Deepfake Detection Tools? A Comparative Evaluation of Open-Source and Free-to-Use Platforms

Deepfake Detection Across Image, Video, and Audio: A Comprehensive Survey with Empirical Evaluation of Generalization and Robustness

A survey on proactive deepfake defense: Disruption and watermarking

Think Twice Before Adaptation: Improving Adaptability of DeepFake Detection via Online Test-Time Adaptation

D-CAPTCHA++: A Study of Resilience of Deepfake CAPTCHA under Transferable Imperceptible Adversarial Attack

Federated Learning (4)

UB-SMoE: Universally Balanced Sparse Mixture-of-Experts for Resource-adaptive Federated Fine-tuning of Foundation Models

Revisiting Sparse Mixture of Experts for Resource-adaptive Federated Fine-tuning Foundation Models

ToFU: Transforming How Federated Learning Systems Forget User Data

Personalized Privacy-Preserving Framework for Cross-Silo Federated Learning

Unlearning (1)

ToFU: Transforming How Federated Learning Systems Forget User Data

2026 (6)

UB-SMoE: Universally Balanced Sparse Mixture-of-Experts for Resource-adaptive Federated Fine-tuning of Foundation Models

AFSS: Artifact-Focused Self-Synthesis for Mitigating Bias in Audio Deepfake Detection

Beyond Binary Classification: A Semi-supervised Approach to Generalized AI-generated Image Detection

Transferable Multi-Bit Watermarking Across Frozen Diffusion Models via Latent Consistency Bridges

How Effective Are Publicly Accessible Deepfake Detection Tools? A Comparative Evaluation of Open-Source and Free-to-Use Platforms

Deepfake Detection Across Image, Video, and Audio: A Comprehensive Survey with Empirical Evaluation of Generalization and Robustness

2025 (6)

Blockchain-based vs. SQL Database Systems for Digital Twin Evidence Management: A Comparative Forensic Analysis

A survey on proactive deepfake defense: Disruption and watermarking

Revisiting Sparse Mixture of Experts for Resource-adaptive Federated Fine-tuning Foundation Models

ToFU: Transforming How Federated Learning Systems Forget User Data

Think Twice Before Adaptation: Improving Adaptability of DeepFake Detection via Online Test-Time Adaptation

Privacy-preserving speaker verification system using Ranking-of-Element hashing

2024 (3)

Improving Security in Internet of Medical Things through Hierarchical Cyberattacks Classification

Personalized Privacy-Preserving Framework for Cross-Silo Federated Learning

D-CAPTCHA++: A Study of Resilience of Deepfake CAPTCHA under Transferable Imperceptible Adversarial Attack