Publication

Fend for Yourself! Backdoor Purification in Federated Graph Learning with an Evolving Knowledge Anchor
In Proceedings of the 35th USENIX Security Symposium (Security), 2026
Chengcheng Zhu#, Yunlong Mao*, Jiale Zhang, Bosen Rao and Sheng Zhong*

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ObfusLM: Privacy-preserving Language Model Service against Embedding Inversion Attacks
In Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (ACL main), 2025
Yu Lin, Ruining Yang, Yunlong Mao*, Qizhi Zhang, Jue Hong, Quanwei Cai, Ye Wu, Huiqi Liu, Zhiyu Chen, Bing Duan and Sheng Zhong*

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SAP: Privacy-Preserving Fine-Tuning on Language Models with Split-and-Privatize Framework
In Proceedings of the 34th International Joint Conference on Artificial Intelligence (IJCAI), 2025
Xicong Shen, Yang Liu, Yi Liu, Peiran Wang, Huiqi Liu, Jue Hong, Bing Duan, Zirui Huang#, Yunlong Mao*, Ye Wu, and Sheng Zhong*

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LT-OAQ: Learnable Threshold Based Outlier-aware Quantization And Its Energy-efficient Accelerator For Low-precision On-chip Training
In Design, Automation and Test in Europe Conference (DATE), 2025
Qinkai Xu#, Yijin Liu, Yuan Meng, Yang Chen, Yunlong Mao*, Li Li*, and Yuxiang Fu*

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CrossNet: A Low-Latency MLaaS Framework for Privacy-Preserving Neural Network Inference on Resource-Limited Devices
In IEEE Transactions on Dependable and Secure Computing, 2024
Yu Lin#, Tianling Zhang#, Yunlong Mao*, Sheng Zhong*

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UBA-Inf: Unlearning Activated Backdoor Attack with Influence-Driven Camouflage
In Proceedings of the 33rd USENIX Security Symposium (Security), 2024
Zirui Huang#, Yunlong Mao*, Sheng Zhong*

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Secure Model Aggregation against Poisoning Attacks for Cross-silo Federated Learning with Robustness and Fairness
In IEEE Transactions on Information Forensics & Security, 2024
Yunlong Mao*, Zhujing Ye#, Xinyu Yuan#, Sheng Zhong*

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Solution Probing Attack Against Coin Mixing Based Privacy-Preserving Crowdsourcing Platforms
In IEEE Transactions on Dependable and Secure Computing, 2024
Yunlong Mao*, Ziqin Dang#, Heng Wang#, Yuan Zhang*, Sheng Zhong*

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Unbalanced private set intersection with linear communication complexity
In Science China Information Sciences, 2024
Quanyu Zhao#, Bingbing Jiang#, Yuan Zhang*, Heng Wang#, Yunlong Mao*, Sheng Zhong*

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Towards Universal Detection of Adversarial Examples via Pseudorandom Classifiers
In IEEE Transactions on Information Forensics & Security, 2023
Boyu Zhu#, Changyu Dong, Yuan Zhang*, Yunlong Mao*, Sheng Zhong*

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A Comprehensive Study of Trajectory Forgery and Detection in Location-Based Services
In IEEE Transactions on Mobile Computing, 2023
Huaming Yang#, Zhongzhou Xia#, Zexi Xin#, Jingyu Hua*, Yunlong Mao*, Sheng Zhong*

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Secure Split Learning against Property Inference, Data Reconstruction, and Feature Space Hijacking Attacks
In Proceedings of the 28th European Symposium on Research in Computer Security (ESORICS), 2023
Yunlong Mao*, Zexi Xin#, Zhenyu Li, Jue Hong, Qingyou Yang, Sheng Zhong*

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FLSwitch: Towards Secure and Fast Model Aggregation for Federated Deep Learning with a Learning State-Aware Switch
In Proceedings of the 21st International Conference on Applied Cryptography and Network Security (ACNS), 2023
Yunlong Mao*, Ziqin Dang#, Yu Lin#, Tianling Zhang#, Yuan Zhang*, Jingyu Hua*, Sheng Zhong*

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Are you moving as you claim: GPS Trajectory Forgery and Detection in Location-Based Services
In Proceedings of the 42nd IEEE International Conference on Distributed Computing Systems (ICDCS), 2022
Huaming Yang#, Zhongzhou Xia#, Zexi Xin#, Jingyu Hua*, Yunlong Mao*, Sheng Zhong*

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Solution Probing Attack Against Blockchain-based Quality-Aware Crowdsourcing Platforms
In Proceedings of the 19th IEEE International Conference on Mobile Ad Hoc and Smart Systems (MASS), 2022
Heng Wang#, Yunlong Mao*, Sheng Zhong*

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Secure Deduplication Schemes for Content Delivery in Mobile Edge Computing
In Computers & Security, 2022
Yu Lin#, Yunlong Mao*, Yuan Zhang*, Sheng Zhong*

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Secure Deep Neural Network Models Publishing Against Membership Inference Attacks Via Training Task Parallelism
In IEEE Transactions on Parallel and Distributed Systems, 2021
Yunlong Mao*, Wenbo Hong#, Boyu Zhu#, Zhifei Zhu#, Yuan Zhang*, Sheng Zhong*

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Romoa: Robust Model Aggregation for the Resistance of Federated Learning to Model Poisoning Attacks
In Proceedings of the 26th European Symposium on Research in Computer Security (ESORICS), 2021
Yunlong Mao*, Xinyu Yuan#, Xinyang Zhao#, Sheng Zhong*

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Privacy-Preserving Computation Offloading for Parallel Deep Neural Networks Training
In IEEE Transactions on Parallel and Distributed Systems, 2020
Yunlong Mao*, Wenbo Hong#, Heng Wang#, Qun Li, Sheng Zhong*

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Private Deep Neural Network Models Publishing for Machine Learning as a Service
In IEEE/ACM 28th International Symposium on Quality of Service (IWQoS), 2020
Yunlong Mao*, Boyu Zhu#, Wenbo Hong#, Zhifei Zhu#, Yuan Zhang*, Sheng Zhong*

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Secure TDD MIMO Networks Against Training Sequence Based Eavesdropping Attack
In IEEE Transactions on Mobile Computing, 2019
Yunlong Mao*, Ying He#, Yuan Zhang*, Jingyu Hua*, Sheng Zhong*

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Towards Thwarting Template Side-channel Attacks in Secure Cloud Deduplications
In IEEE Transactions on Dependable and Secure Computing, 2019
Yuan Zhang*, Yunlong Mao*, Minze Xu#, Fengyuan Xu*, Sheng Zhong*

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Learning from Differentially Private Neural Activations with Edge Computing
In the Third ACM/IEEE Symposium on Edge Computing, 2018
Yunlong Mao*, Shanhe Yi, Qun Li, Jinghao Feng#, Fengyuan Xu*, Sheng Zhong*

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A Privacy-Preserving Deep Learning Approach for Face Recognition with Edge Computing
In USENIX Workshop on Hot Topics in Edge Computing (HotEdge), 2018
Yunlong Mao*, Shanhe Yi, Qun Li, Jinghao Feng#, Fengyuan Xu*, Sheng Zhong*

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Location privacy in public access points positioning: An optimization and geometry approach
In Computers & Security, 2018
Yunlong Mao*, Yuan Zhang*, Xiaoyan Zhang, Fengyuan Xu*, Sheng Zhong*

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Towards Privacy-Preserving Aggregation for Collaborative Spectrum Sensing
In IEEE Transactions on Information Forensics & Security, 2017
Yunlong Mao*, Tingting Chen, Yuan Zhang*, Tiancong Wang#, Sheng Zhong*

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Joint Differentially Private Gale–Shapley Mechanisms for Location Privacy Protection in Mobile Traffic Offloading Systems
In IEEE Journal on Selected Areas in Communications, 2016
Yuan Zhang*, Yunlong Mao*, Sheng Zhong*

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Stemming Downlink Leakage from Training Sequences in Multi-User MIMO Networks
In Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security (CCS), 2016
Yunlong Mao*, Yuan Zhang*, Sheng Zhong*

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Privacy Preserving Distributed Permutation Test
In Proceedings of the 4th ACM International Workshop on Security in Cloud Computing, 2016
Yunlong Mao*, Yuan Zhang*

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Privacy Preserving Market Schemes for Mobile Sensing
In Proceedings of the 44th International Conference on Parallel Processing (ICPP), 2015
Yuan Zhang*, Yunlong Mao*, He Zhang#, Sheng Zhong*

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Protecting Location Information in Collaborative Sensing of Cognitive Radio Networks
In Proceedings of the 18th ACM International Conference on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM), 2015
Yunlong Mao*, Tingting Chen, Yuan Zhang*, Tiancong Wang#, Sheng Zhong*

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Toward Wireless Security without Computational Assumptions—Oblivious Transfer Based on Wireless Channel Characteristics
In IEEE Transactions on Computers, 2014.
Zhuo Hao, Yunlong Mao*, Sheng Zhong*, Li Erran Li, Haifan Yao, Nenghai Yu

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Publications

# and * indicate student authors and faculty authors, respectively.